Wajdi M, Aprianoto A, Harahap RD, Mulyono M, Hadi W. How Indonesian terms of address "bapak or ibu" and "kamu" are used in Indonesian educational settings. JESCS [Internet]. 2024 Sep. 30 [cited 2025 Nov. 1];1(1):1-9. Available from: https://ojs.ptmjb.com/index.php/JESCS/article/view/1