Buku Panduan Sesi Akademik 89/90 : Fakulti Sains Dan Pengajian Alam Sekitar, Universiti Pertanian Malaysia, MYUPM-UNIPERMA-13-309, Container: Gedung 1/46. MAIN ARCHIVES.

Buku Panduan Sesi Akademik 89/90 : Fakulti Sains Dan Pengajian Alam Sekitar, Universiti Pertanian Malaysia, MYUPM-UNIPERMA-13-309, Container: Gedung 1/46. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/835 Accessed March 14, 2025.