Wasis Wicaksono, G. et al. 2019. Development of Closed Distribution Monitoring System, Case Study: 3-kg LPQ Distribution in Malang, Indonesia. International Journal of Engineering & Technology. 8, 1.9 (Jan. 2019), 354–358. DOI:https://doi.org/10.14419/ijet.v8i1.9.26685.