SINAMBELA, N. Development of Learning Materials and Media for Vocational Competency Basic Subjects in Class X Audio Video Engineering in SMK Negeri 2 Samarinda. Educationist: Journal of Educational and Cultural Studies, [S. l.], v. 1, n. 1, p. 275–286, 2022. Disponível em: https://jurnal.litnuspublisher.com/index.php/jecs/article/view/153. Acesso em: 15 nov. 2024.