Prasetia, V. ., Denis and Riyanto, S. D. . (2019) “Energy System Audit of Lighting and Air Conditioning in Building E and F Cilacap State Polytechnic”, International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE, 5(9), pp. 53–60. doi: 10.31695/IJASRE.2019.33507.