Seth, S. K., and P. B. L. Srivastava. “Effect of Moisture Gradient on the Growth and Nutrient Uptake of Sal (Shorea Robusta) Seedlings”. Indian Forester, vol. 97, no. 11, Nov. 1971, pp. 615-2, doi:10.36808/if/1971/v97i11/26487.