ROSLAN MUHAMMAD; ISHAK SAAT. KEGANASAN KOMUNIS DI DAERAH HULU LANGAT, SELANGOR. [s.l.] : Penerbit UTHM,2017. Disponível em: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/180. Acesso em: 26 aug. 2026.