Padmini, Ch. Bhavya, V. Vijaya Lakshmi, and P. Radha Rani. “An Empirical Study on Solar Water Heaters”. Research Developments in Science and Technology Vol. 7 (June 2, 2022): 154–164. Accessed June 3, 2026. https://stm.bookpi.org/RDST-V7/article/view/7105.