Sudira, P., Nurtanto, M. ., Masrifah, N. ., Nurdianah, E. . and Mutohhari, F. (2022) “Online Project-Based Learning (O-PjBL): Effectiveness in Teachers Training and Coaching in Vocational Education”, Journal of Education Technology, 6(2), pp. 326–337. doi: 10.23887/jet.v6i2.41195.