Prasetia, V. ., Denis, and S. D. . Riyanto. “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, vol. 5, no. 9, Sept. 2019, pp. 53-60, doi:10.31695/IJASRE.2019.33507.