Whacharapat Wattanasrirote; Mohd Faizal Mohideen Batcha; Arkom Palamanit; Maizirwan Mel; Makatar Wae-hayee. Experimental and Numerical Investigations of Underground Coal Gasification (UCG) Using Half-Teardrop Shape Cavity. J. Adv. Res. Fluid Mech. Therm. Sc. 2023, 101, 172-183.