Singh, Sanjay, N.P.S. Nain, and S.P. Tripathi. “Growing Tropical Tree Planting Stock in Root Trainers: Cell Volume, Seedling Density and Growing Media”. Annals of Tropical Research 30, no. 2 (December 3, 2008): 44–55. Accessed December 22, 2024. https://atr.vsu.edu.ph/article/view/360.