Pratama, R. G. P., Mohruni, A. S. and Utami, N. P. E. (2022) “IMPROVED EFFECTIVENESS OF CONTROLLED PROCUREMENT SYSTEM PROCESS WITH E-PROCUREMENT IN PT. PLN (PERSERO) UIK SUMBAGSEL”, Journal of Mechanical Science and Engineering, 8(2), pp. 025–028. doi: 10.36706/jmse.v8i2.66.