Sirikaew, Sattra, Serm Janjai, Sunisa Khakhu, and Somjet Pattarapanitchai. 2022. “Modification of a 220-V vapor compression refrigeration system to a 12-V photovoltaic solar-powered refrigeration system for cooling beverages: Modification process, performance, modeling, and economic evaluation”. Science, Engineering and Health Studies 16 (December):22020010. https://doi.org/10.14456/sehs.2022.49.