A. D. Gupta, A. Gupta, P. K. Mishra, Y. Gupta, and R. K. Mehta, “Optimization of Inclination Angle of Cavity and Characteristics of Attached Fins on the Absorber for Performance Enhancement of Solar Collectors”, IJBSM, vol. 12, no. Jun, 3, pp. 216–221, Jun. 2021.