Hani Subakti, Nur Agus Salim, Kiftian Hady Prasetya, and Siska Oktaviani. “Does Learning in Mother Tongue Matter? Analysis of the Use of Kutai Language in Elementary Schools Learning”. Elementary Education Online 20, no. 4 (December 19, 2023): 421–426. Accessed December 27, 2024. https://ilkogretim-online.org/index.php/pub/article/view/5850.