[1]
W. Rizlan, H. Hadi Purba, H. ., S. ., M. Nasir, and S. Aisyah, “The effect of efficiency measurement to the improvement of maintenance productivity”, IJET, vol. 7, no. 4, pp. 6964–6969, Jul. 2019, doi: 10.14419/ijet.v7i4.23255.