Nunung Kurniasih, Iim Wasliman, Teti Ratnawulan, & 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). https://doi.org/10.55227/ijhess.v2i1.206