Pelancaran Pertandingan 'Visit Malaysia Year Historical City Treasure Hunt 1990', Universiti Pertanian Malaysia (UPM), MYUPM-UNIPERMA-11-108, Container: Gedung 1/F06. MAIN ARCHIVES.

Pelancaran Pertandingan 'Visit Malaysia Year Historical City Treasure Hunt 1990', Universiti Pertanian Malaysia (UPM), MYUPM-UNIPERMA-11-108, Container: Gedung 1/F06. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/2477 Accessed April 29, 2025.