Subekhan, M., and N. Suryapermana. “TQM-Based Classroom Management in Improving the Quality of Education at MTsN 1 Serang City, Banten”. Management Studies and Entrepreneurship Journal (MSEJ), vol. 5, no. 2, Nov. 2024, pp. 4852-6, doi:10.37385/msej.v5i2.6327.