S. Selvakumar, T. R. Rajasekaran, V. Sabarinathan, R. V. JebaRajasekhar. “Thermal Characteristics of Solar Collector With Improved Absorber Configurations”. Design Engineering (November 18, 2021): 12849 - 12855. Accessed April 29, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/6406.