BARRY, GIDEON, and Lilywati Bakar. “Swiftlet House Cooling System Powered by Solar Panel”. Progress in Engineering Application and Technology 2, no. 2 (December 2, 2021): 396–404. Accessed August 17, 2024. https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/692.