Sen BK, Khong WK, Lee SH, Lim BL, Abdullah MR, Ting CN, Wee SH. ZIPF’S LAW AND WRITINGS ON LIS. MJLIS [Internet]. 1998 Jul. 1 [cited 2024 May 9];3(1):93-8. Available from: http://mjlis.um.edu.my/index.php/MJLIS/article/view/6652