Jeumpa, Kemala, and Rumila Harahap. “Model Concepts to Support the Improvement of students’ Skills in Learning Tasks”. Jurnal Pendidikan Vokasi 13, no. 2 (November 8, 2023): 214–222. Accessed May 9, 2025. https://journal.uny.ac.id/index.php/jpv/article/view/53501.