Irawati, H., Abdurahman, A. and Saputra, R. W. (2023) “The Influence of Principal Leadership and Teacher Professionalism on Learning Effectiveness at State Junior High School of Selat District Kapuas Regency”, East Asian Journal of Multidisciplinary Research , 2(1), pp. 237–248. doi: 10.55927/eajmr.v2i1.2583.