Nunung Kurniasih, Iim Wasliman, Teti Ratnawulan and Agus Mulyanto 2022. Implementation of Principal’s Total Quality Management (TQM) in Improving Teacher Professional Competence at Private Elementary School. International Journal Of Humanities Education and Social Sciences (IJHESS) . 2, 1 (Aug. 2022). DOI:https://doi.org/10.55227/ijhess.v2i1.206.