ISSN 2087-1244 (Printed) ISSN 2476-907X (Online) Vol. 7 No. 3 September 2016 ComTechComTech Computer, Mathematics and Engineering Applications Editor in Chief Ngarap Imanuel Manik Mathematics and Statistics Department, Bina Nusantara University Managing Editors Arta Moro Sundjaja Information System Department, Bina Nusantara University Noerlina Information System Department, Bina Nusantara University International Editor Board Cynthia Hayat Information System Department, Krida Wacana Christian University, Indonesia Eddy Wiyanto Information System Department, Krida Wacana Christian University, Indonesia Tri Pujadi Information Systems Department, Bina Nusantara University, Indonesia Gisela Nina Sevani Information Technology Department, Krida Wacana Christian University, Indonesia Daniel M. Wonohadidjojo Information Technology Department, Ciputra University, Indonesia Trianggono Wiradinata Information Technology Department, Ciputra University, Indonesia Yudhi Windarto Information Technology Department, Krida Wacana Christian University, Indonesia Kiyota Hashimoto Technology and Environment Faculty, Prince of Songkla University, Thailand Lukas S. Tanutama Information Technology Department, Bina Nusantara University, Indonesia Rino Nugroho Research and Development in Computer Centre, Sebelas Maret University, Indonesia Fergyanto E. Gunawan Master of Information System Management, Bina Nusantara University, Indonesia Leon Andretti Abdillah Monitoring Academic and Management Information Systems, Bina Darma University, Indonesia Firza Utama Architecture Department, Bina Nusantara University, Indonesia Irpan Hidayat Civil Engineering Department, Bina Nusantara University, Indonesia Agustinus Oey Mechanical Engineering Department, Korea Advanced Institute of Science and Technology (KAIST) Tota Pirdo Kasih Industrial Engineering Department, Bina Nusantara University, Indonesia Hardi Humiras Purba Industial Engineering Department, Mercu Buana University, Indonesia Dase Hunaefi Research Center for Agriculture and Forestry, Free University of Bozen-Bolzano, Italy and Laimburg Ingrid S. Surono Food Technology Department, Bina Nusantara University, Indonesia Tati Nurhayati Aquatic Product Technology Department, Bogor Agricultural Institute, Indonesia Wikaria Gazali Mathematics and Statistics Department, Bina Nusantara University, Indonesia Language and Layout Editor Dina Nurfitria Bina Nusantara University Karen Phang Bina Nusantara University Holil Bina Nusantara University Atmawati Bina Nusantara University Secretariat Haryo Sutanto Bina Nusantara University Eka Yanti Pangputri Bina Nusantara University Description COMTECH is a quadannual journal, published in March, June, September, and December. COMTECH is a forum for lecturers, academics, researchers, practitioners, and students to convey and share knowledge in the form of empirical and theoretical research articles, case studies, and review of the literature. Editors invite professional education, research, entrepreneurs and students to participate in spreading the development of science in the fields of Information Systems, Architecture, Civil Engineering, Computer Engineering, Industrial Engineering, Food Technology, Computer Science, Mathematics, and Statistics through this scientific journal. Currently, ComTech has been indexed by Directory of Open Access Journal (DOAJ), Bielefeld Academic Search Engine (BASE), World Catalogue (WorldCat), Google Scholar and Academic Resource Index (ResearchBib). The journal can be accessed online on http://research. binus.ac.id/journal/comtech/. Authors should refer to the guidelines below when preparing their articles. Research and Technology Transfer Office, Bina Nusantara University, Anggrek Campus, Jl.Kebon Jeruk Raya 27, Kebon Jeruk, Jakarta Barat 11530, Tel. +621-5350660 ext. 1705/1708, Fax.+621-5300244, E-mail: asundjaja@binus.edu, hsutanto@binus.edu, Url: http://research.binus.ac.id/journal/comtech/, FB: https://www.facebook.com/ComTechBinus ISSN 2087-1244 (Printed) ISSN 2476-907X (Online) Vol. 7 No. 3 September 2016 TABLE OF CONTENTS Elizabeth Nurmiyati Tamatjita; Aditya Wikan Mahastama Shortest Path with Dynamic Weight Implementation using Dijkstra’s Algorithm .......................................... 161-171 Ikhtiar Faahakhododo; Indra Dwi Rianto Risk Management Method In It Project: A Review .............................................................................. 173-180 Karto Iskandar; Andrew Thejo Putranto Usage of Web Service in Mobile Application for Parents and Students in Binus School Serpong ....................... 181-189 Kornelius Irfandhi Risk Management in Information Technology Project: An Empirical Study ................................................. 191-199 Budi Yulianto; Fredy Purnomo; Evaristus Didik Madyatmadja; Meyliana; Harjanto Prabowo Potential Threats of Information Disclosure in Social Media: a Systematic Literature Review ......................... 201-211 Ratnadewi; Putri Kartika Sari The Improvement of Flip (2,2) Visual Cryptography Images Using Two Key Images ...................................... 213-223 Andry Chowanda; Alan Darmasaputra Chowanda Gamification of Learning: Can Games Motivate Me to Learn History?............................ .......................... 225-232 Tobi Kingsley Ochuko; Suhaida Abdullah; Zakiyah Zain; Sharipah Syed Soaad Yahaya Winsorized Modified One Step M-Estimator As a Measure of the Central Tendency in the Alexander-Govern Test.. 233-244 ComTechComTech Computer, Mathematics and Engineering Applications