Persatuan Alumni Universiti Putra Malaysia 1975 (Alumni UPM Kelas' 75) Kompilasi Laporan Tahunan 2013-2023., MYUPM-UNIPUTRA-13-1095, Container: Gedung 1/122. MAIN ARCHIVES.

Persatuan Alumni Universiti Putra Malaysia 1975 (Alumni UPM Kelas' 75) Kompilasi Laporan Tahunan 2013-2023., MYUPM-UNIPUTRA-13-1095, Container: Gedung 1/122. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/2991 Accessed September 28, 2025.