PURNOMO, Eko. IN HOUSE TRAINING DALAM UPAYA MENJAWAB TANTANGAN GURU MASA DEPAN DI SMA NEGERI 6 HALMAHERA UTARA. EDUKASI, [S. l.], v. 17, n. 2, 2019. DOI: 10.33387/j.edu.v17i2.1517. Disponível em: https://ejournal.unkhair.ac.id/index.php/edu/article/view/1517. Acesso em: 1 aug. 2026.