Siti Sarawati Johar, Khairunesa Isa, Khairol Anuar Kamri. SEIKAT BAK SIRIH MENYUSURI KELANGSUNGAN TANAH MELAYU DAN PEMBENTUKAN MALAYSIA. Penerbit UTHM; 2019. Accessed August 26, 2026. https://monograph.uthm.edu.my/index.php/penerbituthm/catalog/book/236