AGARWAL, Nitin, Anoop KUMAR, and Varun GOEL. 2013. “Unit Sizing and Cost Analysis of Renewable Energy Based Hybrid Power Generation System - A Case Study”. Walailak Journal of Science and Technology (WJST) 11 (1):19-32. https://wjst.wu.ac.th/index.php/wjst/article/view/392.