WESLEY GIANKEKE SB; SUKARMAN PURBA; ALAN AZHAR SIMBOLON; JOSEF BINTANG. Teacher readiness in implementing the Free Learning Learning System at SMK Negeri 4 Medan. Formosa Journal of Applied Sciences, [S. l.], v. 2, n. 6, p. 1105–1114, 2023. DOI: 10.55927/fjas.v2i6.4486. Disponível em: https://journal.formosapublisher.org/index.php/fjas/article/view/4486. Acesso em: 2 sep. 2026.