Nayak, Dileswar, D. P. Patel, H. S. Thakare, K. Satasiya, and P. K. Shrivastava. “Assessment of Air Pollution Tolerance Index of Selected Plants”. Indian Forester 141, no. 4 (April 1, 2015): 372–378. Accessed December 5, 2025. http://indianforester.co.in/index.php/indianforester/article/view/68693.