DJUBIR R. E. KEMBUAN; JOHAN R. BATMETAN; METSI DAUD; BILLY MH KILIS. Optimization of vocational education learning in pandemic times with a modified blended learning system and appropriate technology. Technium: Romanian Journal of Applied Sciences and Technology, Constanta, Romania, v. 17, n. 1, p. 277–296, 2023. DOI: 10.47577/technium.v17i.10089. Disponível em: https://www.techniumscience.com/index.php/technium/article/view/10089. Acesso em: 17 apr. 2026.