Rahmat, R., E. Mohamad, R. Jaafar, A. Saptari, N.A. Mohamad, D. Yuniawan, and T. Ito. 1. “IMPROVING ELECTRONIC DOCUMENT CONTROL APPROVAL PROCESS THROUGH E-CERTIFICATION”. Journal of Advanced Manufacturing Technology (JAMT) 13 (1), 33-44. https://jamt.utem.edu.my/jamt/article/view/5250.