Nojeng, S., S. ., and A. Syarifuddin. “The Efficiency of Fuel Comsumption Using the Power Factor Improving of Thermal Power Plant: New Approach for CO2 Emission Reduction: New Approach for CO2 Emission Reduction”. International Journal of Engineering Technology and Computer Research, vol. 6, no. 5, Oct. 2018, https://ijetcr.org/index.php/ijetcr/article/view/483.