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 (Jan. 2019), 81–83. DOI:https://doi.org/10.23960/ins.v2i2.85.