A. Gharibi and M. Zoveidavianpoor. “Hydraulic Fracturing for Improved Oil Recovery”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 9, no. 1, May 2015, pp. 1-18, https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/2546.