SIREGAR, M. A.; SIREGAR , S.; SILABAN , Y.; SIREGAR , L. I. Tantangan Guru Pjok Dalam Pembelajaran Abad Ke-21 Challenges for Physics Teachers in 21st Century Learning. Cendikia: Jurnal Pendidikan dan Pengajaran, [S. l.], v. 2, n. 11, p. 285–289, 2024. Disponível em: https://jurnal.kolibi.org/index.php/cendikia/article/view/3854. Acesso em: 17 jun. 2026.