Pangestika, Ratna Rosita, and Risky Setiawan. “The Effect of Intensity of MGMP Activities, School Climate, and Work Commitments on the Professionalism of Economics High School Teachers”. Harmoni Sosial: Jurnal Pendidikan IPS, vol. 9, no. 1, Mar. 2023, doi:10.21831/hsjpi.v8i2.8548.