BRYAN O. CALMA. Development and Construction of a Prepaid Energy Management System Using 8051 Microcontroller. Engineering And Technology Journal, [S. l.], v. 9, n. 8, p. 4746–4752, 2024. DOI: 10.47191/etj/v9i08.20. Disponível em: https://everant.org/index.php/etj/article/view/1469. Acesso em: 21 nov. 2024.