Bhartari, S. K. “Biological Productivity and Nutrient Cycling in <I>Pinus patula< I> Plantations of Darjeeling Hills”. Indian Forester 112, no. 3 (March 1, 1986): 187–201. Accessed December 4, 2025. http://indianforester.co.in/index.php/indianforester/article/view/9763.