YILMAZ, Murat, et al. “Relationships Between Seedling Height Growth and Some Soil Properties in Douglas Fir (Pseudotsuga Menziesii Var. Viridis) Plantations”. Journal of Applied Biological Sciences, vol. 3, no. 1, June 2019, pp. 17-22, https://jabsonline.org/index.php/jabs/article/view/142.