Situmorang, M. (2022) “Implementation of the Project Based Learning Learning Model in Mathematics Class XI TAV (Audio Video Technique) at Vocational High School 2 Samarinda”, Educationist: Journal of Educational and Cultural Studies, 1(1), pp. 186–191. Available at: https://jurnal.litnuspublisher.com/index.php/jecs/article/view/121 (Accessed: 7 October 2025).