Anak Agung Putu Susastriawan, Yuli Purwanto, Purnomo, and Ahmad Warisman, “Development of An Air-Stage Downdraft Gasifier and Performance Evaluation on Feedstock of Rice Husk”, J. Adv. Res. Fluid Mech. Therm. Sc., vol. 84, no. 1, pp. 20–32, Mar. 2024.