Gupta, Chandra, A. K. Dwivedi, and Padmini Shivkumar. “Forest Tree Improvement Programmes in Uttar Pradesh”. Indian Forester 118, no. 6 (June 1, 1992): 389–393. Accessed March 28, 2026. https://indianforester.co.in/index.php/indianforester/article/view/8440.