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