Sitorus, E. J. S. ., Aulia, R., Saragih, N. S. and Lubis, J. A. (2025) “STRATEGIES FOR IMPROVING TEACHER PROFESSIONALISM IN REALIZING INNOVATIVE AND EFFECTIVE LEARNING AT SMA NEGERI 8 MEDAN”, Algebra : Jurnal Pendidikan, Sosial dan Sains, 5(3), pp. 600–604. doi: 10.58432/algebra.v5i3.1350.