Buku Panduan Fakulti Ekologi Manusia Universiti Pertanian Malaysia : Sesi 1994/95, MYUPM-UNIPERMA-13-223, Container: Gedung 1/28. MAIN ARCHIVES.

Buku Panduan Fakulti Ekologi Manusia Universiti Pertanian Malaysia : Sesi 1994/95, MYUPM-UNIPERMA-13-223, Container: Gedung 1/28. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/593 Accessed March 14, 2025.