NOR HASLIZA MOHD FADZIL; NOR NAURAH MAT SALLEH; ROKIAH AHMAD SUDAN. SMARTPHONE USAGE AMONG STUDENTS AT POLITEKNIK UNGKU OMAR. Jurnal Kejuruteraan, Teknologi and Sains Sosial (JKTSS), [S. l.], v. 6, n. 2, 2020. Disponível em: https://jktss.puo.edu.my/jurnalpuo/index.php/jurnal/article/view/162. Acesso em: 10 jan. 2025.