Razzaque, MA, MM Haque, QA Khaliq, and ARM Solaiman. “The Effect of Different Nitrogen Levels and Enrichment CO₂ On the Nutrient Contents of Rice Cultivars”. Bangladesh Journal of Scientific and Industrial Research 44, no. 2 (November 9, 2009): 241–246. Accessed August 17, 2024. https://banglajol.info/index.php/BJSIR/article/view/3680.