Slamet, R. and Nihayah , U. 2021. The Effect of School Supervisors and Principal Managerial Capabilities on Teacher Performance at SMPN 07 Matraman East Jakarta. Eduvest - Journal of Universal Studies. 1, 8 (Aug. 2021), 701–705. DOI:https://doi.org/10.59188/eduvest.v1i8.136.