Razzaque, M., M. Haque, M. Hamid, Q. Khaliq, and A. Solaiman. “Effects of Nitrogen Fertilizer and Elevated CO₂ On Dry Matter Production and Yield of Rice Cultivars”. Bangladesh Journal of Agricultural Research, vol. 34, no. 2, Aug. 2010, pp. 313-22, doi:10.3329/bjar.v34i2.5804.