Gafur, MA, and Afroza Sultana. “Estimation of Nitrogen Transforming Microorganisms in Soils of Different Tea Valleys of Bangladesh”. Bangladesh Journal of Botany 42, no. 1 (July 28, 2013): 161–166. Accessed July 17, 2024. https://banglajol.info/index.php/BJB/article/view/15907.