Bonyad, Amir. “Effects of Thinning Intensity on Growth of 27-Year-Old Slash Pine (<I>Pinus elliottii< I>) in Northern Iran”. Indian Forester 133, no. 6 (June 1, 2007): 723–730. Accessed December 4, 2025. http://indianforester.co.in/index.php/indianforester/article/view/1623.