Sachin Kumar Verma, Shiv Kumar, and Yogendra Kumar. “Evaluation of Cost, Returns, and Constraints in Ridge Gourd Cultivation: A Friedman Test Analysis in Hardoi District, Uttar Pradesh”. International Journal of Agro Frontier Research and Innovation 1, no. 1 (May 27, 2026): 5–9. Accessed October 19, 2026. https://ijafrijournal.com/index.php/files/article/view/3.