Slamet, Rokhmad, and Umi Nihayah. “The Effect of School Supervisors and Principal Managerial Capabilities on Teacher Performance at SMPN 07 Matraman East Jakarta”. Eduvest - Journal of Universal Studies 1, no. 8 (August 20, 2021): 701–705. Accessed July 5, 2025. http://www.eduvest.greenvest.co.id.submitjurnal.id/index.php/edv/article/view/136.