“COMPETENCE IMPROVEMENT OF OFFICE ADMINISTRATION TEACHERS THROUGH COMMERCIALIZATION OF PRODUCTIVE, CREATIVE, AND ENTREPRENEURS SUBJECT IN THE INDUSTRIAL REVOLUTION 4.0”. Jurnal Pengabdian Kepada Masyarakat, vol. 2, no. 2, September 2020, hlm. 69-77, https://doi.org/10.33379/attamkin.v2i2.524.