Eko Susetyo Yulianto, D. Yuniardi, and A. R. Harfit, “SYSTEM DEVELOPMENT FOR ENHANCING BOILER PERFORMANCE: FROM PID CONTROL TO ADAPTIVE AND MODEL PREDICTIVE CONTROL FOR MORE EFFECTIVE OPTIMIZATION OF TEMPERATURE, PRESSURE, AND LEVEL CONTROL IN BOILER SYSTEM”, IJST, vol. 2, no. 2, pp. 14–23, Jul. 2023.