Ulfah, A, and Jumaiyah . “Teaching Material Development of Bahasa Indonesia Course As a Way to Develop the Lectures’ Professional Development”. KnE Social Sciences 3, no. 10 (March 17, 2019): 532–539. Accessed April 19, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/3942.