Sukartono, S., Samsudi, S., Raharjo, T. and Sugiharto, D. (1) “Training Effectiveness In Improving Teachers Professionalism Competence In School”, The Journal of Educational Development, 4(1), pp. 1-7. Available at: https://journal.unnes.ac.id/sju/jed/article/view/10962 (Accessed: 7May2024).