AZMAN, Muhammad Aizat Shahmin; UBIN, Aizan. Tennis Collector Ball Machine. Evolution in Electrical and Electronic Engineering, [S. l.], v. 4, n. 2, p. 725–731, 2023. Disponível em: https://periodical.uthm.edu.my/index.php/eeee/article/view/13301. Acesso em: 15 aug. 2026.