Panprayun, Gunn, Nipon Ketjoy, Wattanapong Rakwichian, and Prapita Thanarak. 2014. “Alternative Utilizations of Photovoltaic Modules from Solar Home System, Thailand”. Journal of Renewable Energy and Smart Grid Technology 6 (1):57-66. https://ph01.tci-thaijo.org/index.php/RAST/article/view/26186.