Joni Rahmadi, Fuazen, and Indra Lukman. 2023. “Comparative Study of Heat Transfer Rate in Solar Water Heater by Varying the Sun Incoming Angle and Flow Rate of Sun Heat Absorpting Fluid”. International Journal of Integrative Sciences 2 (3):173-202. https://doi.org/10.55927/ijis.v1i4.3378.