A.H. MUGHAL, M. A. KHAN, S. N. ZAFFAR, and JAVEED MUGHLOO. “Seed and Cone Characteristics of Spruce (Picea Smithiana Wall)”. Seed Research 35, no. 1 (March 6, 2025): 48–52. Accessed October 23, 2025. https://epubs.icar.org.in/index.php/SR/article/view/165605.