Hutabarat, S. M., S. . Purba, and S. . Purba. “Optimizing Vocational students’ Skills through Adaptive Online Courses”. Cendikia : Media Jurnal Ilmiah Pendidikan, vol. 14, no. 6, July 2024, pp. 662-7, doi:10.35335/cendikia.v14i6.5355.