, Ratna Prakash, Dr Ajay Kumar Singh, Prof. Ashish Verma. “The Effect of Roughness Geometries on Heat Transfer Enhancement in Solar Air Heater - A Review”. International Journal on Recent and Innovation Trends in Computing and Communication 6, no. 4 (April 30, 2018): 286–291. Accessed January 26, 2022. https://ijritcc.org/index.php/ijritcc/article/view/1562.