HANDOKO, Suryawan Bagus; SUMANTA, Sumanta; KARMAN, Karman. Konsep Pengembangan Sumber Belajar. Jurnal Pendidikan dan Konseling (JPDK), [S. l.], v. 4, n. 6, p. 11275–11286, 2022. DOI: 10.31004/jpdk.v4i6.10234. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/jpdk/article/view/10234. Acesso em: 8 dec. 2025.