MACAPAÑAS, P.; ALBOS, E. Signal and Intercommunication System Trainer: A Technical Study. SSU - Digital Archive for Theses and Dissertations, [S. l.], v. 10, n. 1, p. 1–116, 2022. Disponível em: https://datd.ssu.edu.ph/index.php/datd/article/view/180. Acesso em: 24 nov. 2024.