Mohamed, Mesliza, and Mohd. Salmi Md Noorani. “Teorem Mertens Bagi Orbit--Orbit Tertutup Subanjakan Mengikut Kelas Frobenius”. MATEMATIKA 15 (December 1, 1999): 119–127. Accessed May 7, 2024. https://matematika.utm.my/index.php/matematika/article/view/482.