Lawatan Rasmi Sultan Selangor ke Universiti Pertanian Malaysia, Mac 1987, MYUPM-UNIPERMA-11-552, Container: Gedung 1/F15. MAIN ARCHIVES.

Lawatan Rasmi Sultan Selangor ke Universiti Pertanian Malaysia, Mac 1987, MYUPM-UNIPERMA-11-552, Container: Gedung 1/F15. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/3689 Accessed April 16, 2026.