T. A. Saleh and D. M. Al-Byatti, “Experimental Study of Pressure Drop During Multiphase (Water, Air and Sand) Flow in Horizontal Pipes”, NJES, vol. 15, no. 1, pp. 108–120, Apr. 2012, Accessed: Nov. 24, 2024. [Online]. Available: https://nahje.com/index.php/main/article/view/641