Rahul Bahuguna, Sunil Chamoli, Yogesh Barthwal, Sumit Rana, Ashutosh Gupta, Vijay Singh Bisht. Economic analysis of artificially roughened solar air heater with v-shaped ribs. ACTA INNOVATIONS [Internet]. 2022 Sep. 30 [cited 2025 May 10];44:18-33. Available from: https://www.actainnovations.com/index.php/pub/article/view/44_2