Puri, Sunil, and S. L. Swamy. “Nutrient Use Efficiency (N and P) in <I>Azadirachta indica< I> Seedlings Grown under Diffused and Complete Light Conditions”. Indian Forester, vol. 131, no. 11, Nov. 2005, pp. 1437-48, doi:10.36808/if/2005/v131i11/1830.