Hasan, A. M., M. M. Rahman, and M. Hashem. “Effect of Reduced Rates of N, P and K on the Yield of Rice (<i>Oryza sativa</I> L.) and Its Nutrient Uptake”. The Agriculturists, vol. 6, no. 1, June 2010, pp. 67-76, doi:10.3329/agric.v6i1.5216.