Mulawarman, W G, and L Yankynandasari. “Attitude of Nonlanguage Program Students Toward the Indonesian Language at the Universitas Mulawarman”. KnE Social Sciences 3, no. 9 (July 26, 2018): 744–753. Accessed May 16, 2024. https://knepublishing.com/index.php/KnE-Social/article/view/2738.