James, A, S Jayaraj, M Srinivas, and M Mohanraj. “Energy-Efficient Operation of PV-T Solar Collectors With Heat Pump Based Water Heaters Suitable for Domestic Applications”. International Journal of Mathematics and Physics 12, no. 1 (September 8, 2021): 12–18. Accessed November 21, 2024. https://ijmph.kaznu.kz/index.php/kaznu/article/view/338.