Zai, P. Y., Harefa, M. N. S., Zebua, L., Laoli, W. Y., Gulo, A., Zai, F. J. A., & Lase, N. K. (2026). Analysis of Teacher Professionalism and Competence in Educational Management at SMP Negeri 2 Gunungsitoli Utara. GEN BIONIX: Jurnal Ilmiah Pendidikan Biologi, 4(2), 154–160. https://doi.org/10.56207/genbionix.v4i2.968