TABLE OF CONTENTS Volume 5, Issue 2 November – 2022 eISSN 2747-173X Page Cover i Table of Contents ii Editorial Board iii Optical Ray Tracing Simulation by Using Monte Carlo Method for Reflectance-based Photoplethysmography Sensor in Human Skin and Fingertip Model Muhamad Affiq Bin Misran, Anubha Bilgaiyan, and Reiji Hattori 78-91 Environmental Radioactivity Concentrations and Assessment of Radiological Hazards in Soil Around Bandung Nuclear Area Juni Chussetijowati, Haryo Seno, Dani Muliawan 92-104 Innovative Compact Molten Salt Reactor (ICMSR) Analysis for Mo-99 Production Iza Shafera Hardiyanti, A Suparmi and Andang Widi Harto 105-113 Analytical Methods for Mathematical Modeling of Dye-Sensitized Solar Cells (DSSCs) Performance for Different Local Natural Dye Photosensitizers J. B. Yerima, S. C Ezike, Dunama William, and Alkali Babangida 114-132 A Brief Review on the Electrical Resistivity Of Aluminium Alloy and its Nanoparticles at Low Temperature Inzamam Khalid 133-141 Photo electrochemically Manufactured HgO/Cu2O Monolayer with Augmented Photovoltaic Features M. Abdurrahman, F.W Burari, and O.W Olasoji 142-151