Simaremare, J.A., Sirait, J., Simamora, M. and Siregar, T.O. 2023. Improving Teachers’ Professional Competence with Application of the Active, Innovative, Creative, Effective and Fun Learning Method. International Journal of Advances in Social Sciences and Humanities. 2, 1 (Feb. 2023), 15–28. DOI:https://doi.org/10.56225/ijassh.v2i1.150.