A. F. Hakim, T. J. Saputra, and N. D. Fajarningrum, “The EFFECT OF AIR FLOW RATE VARIATIONS ON THE CHARACTERISTICS OF TWO-PHASE FLOW IN AN AIRLIFT PUMP WITH AN INJECTOR ANGLE OF 15°”, SJMEkinematika, vol. 11, no. 1, pp. 10-20, Jan. 2026.