Lavania, S. K., R. P. Singh, and Virendra Singh. “Effect of Gibberellic Acid and PH on Seed Germination in Blue Pine (<I>Pinus wallichiana< I>, A.B. Jacks)”. Indian Forester 132, no. 8 (August 1, 2006): 1024–1028. Accessed December 24, 2025. https://indianforester.co.in/index.php/indianforester/article/view/4243.