UB, A. R., Sukmana, H. and Sukmono, R. A. (2024) “EFFECTIVENESS OF SCHOOL ADMINISTRATION SERVICE SYSTEM IN THE DIGITAL ERA: CASE STUDY AT SMAN 1 KREMBUNG”, Journal of Geography, Regional Planning and Development, 1(2), pp. 56–62. doi: 10.61796/jgrpd.v1i2.1259.