Ridwan, M. and Ghulam, A.A. 2023. Optimization Of Abnormal High Pressure Heater (HPH) Operating Pattern to Reduce Heatrate Of Adipala Power Plant 1 X 660 MW. Gema Wiralodra. 14, 3 (Nov. 2023), 1496–1503. DOI:https://doi.org/10.31943/gw.v14i3.596.