“THE LANGUAGE VITALITY AMONG THE DIFFERENT ETHNOLINGUISTIC GROUPS IN HIGHER EDUCATION INSTITUTIONS IN REGION XII: A MULTIPLE CASE STUDY”. Proceedings of International Conference on Special Education 6 (July 25, 2025): 256–266. Accessed June 22, 2026. https://publication.seameosen.edu.my/index.php/icse/article/view/440.