iii Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) Volume 2, Issue 1 May – 2019 Editor in Chief Artoto Arkundato Editor Lutfi Rohman Ratna Dewi Syarifah Endhah Purwandari Wenny Maulina Yoyok Yulianto Joko Iswanto Computational and Experimental Research in Materials and Renewable Energy (CERiMRE) published by: Faculty of Mathematics and Natural Sciences, University of Jember Published since November 2018 with frequency of publication twice a year (May and November). Editorial Address : Kampus Tegal Boto Jl. Kalimantan 37 Kampus Tegalboto 68121 Telp. +62331 334293 Faks. +62331 330225 Email: cerimre.journal@unej.ac.id URL: https://jurnal.unej.ac.id/index.php/CERiMRE/index