Rancangan Malaysia Keempat (1981-85) Jilid Tiga, MYUPM-UNIPERMA-13-297, Container: Gedung 1/48. MAIN ARCHIVES.
Rancangan Malaysia Keempat (1981-85) Jilid Tiga, MYUPM-UNIPERMA-13-297, Container: Gedung 1/48. MAIN ARCHIVES. http://putraarchives.upm.edu.my:8081/repositories/2/resources/845 Accessed March 15, 2025.