Prayitno, A., Irvan, M., Nurharsanto, S. and Yantoa, W. F. (2019) “Electric Power Optimizing Of Solar Panel SystemThrough Solar Tracking Implementation; A Case Study in Pekanbaru”, International Series on Interdisciplinary Science and Technology, 2(2), pp. 81–83. doi: 10.23960/ins.v2i2.85.