AZMI ROHANI; LUKMAN ABU BAKAR; WAHID RAZZALY; SITI SARAWATI JOHAR. PENA JAUHAR SIRI 2. [s.l.] : Penerbit UTHM,2019. Disponível em: https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/232. Acesso em: 26 aug. 2026.