Nillan, Petrus Labi, and Sukinah. “Enhancing Student Engagement Among Learners With Hearing Impairments Through Constructivist-Based Problem-Based Learning”. International Journal of Education, Vocational and Social Science 5, no. 04 (September 18, 2026): 1404-1413. Accessed October 13, 2026. https://www.e-journal.citakonsultindo.or.id/index.php/IJEVSS/article/view/6566.