Oktan, Ercan. “Impact of Thinning Levels on Cone Production in Natural Stands of Scots Pine (Pinus Sylvestris L.)”. BioResources 21, no. 2 (February 26, 2026): 3506–3517. Accessed February 26, 2026. https://ojs.bioresources.com/index.php/BRJ/article/view/25272.