HEE, Chuen Haw; JUMAAT, Siti Amely. Development of Solar Powered Portable Cooler Or Warmer . Evolution in Electrical and Electronic Engineering, [S. l.], v. 4, n. 2, p. 874–884, 2023. Disponível em: https://periodical.uthm.edu.my/index.php/eeee/article/view/13331. Acesso em: 15 aug. 2026.