Macarimbor S-A, Hassan SJ. The Challenges and Impact of Mother Tongue-Based Multilingual Education as Perceived by the Primary Level Teachers of Amai Pakpak Central Elementary School. IJERIP [Internet]. 2026 Mar. 22 [cited 2026 Mar. 22];2(3):1561-74. Available from: https://ijerip.erio.org.ph/index.php/articles/article/view/299