RONALD K. BOKAU, J.; DJAJASASANA , E. E. Efektivitas Blended Learning Pada Mata Kuliah Ilmu Pelayaran Astronomi. Journal of Education Research, [S. l.], v. 4, n. 4, p. 1708–1715, 2023. DOI: 10.37985/jer.v4i4.464. Disponível em: https://jer.or.id/index.php/jer/article/view/464. Acesso em: 1 jul. 2025.