Panduan Pengkalan Data Makmal, MYUPM-UNIPERMA-13-965, Container: Kotak 1/137. MAIN ARCHIVES.
Panduan Pengkalan Data Makmal, MYUPM-UNIPERMA-13-965, Container: Kotak 1/137. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/4021 Accessed July 18, 2026.