Chowdhury, M. Z., Mian, M. K., & Akbar, M. A. (2007). Assessment of self-incompatibility in some improved and traditional cultivars of oleiferous (<i>Brassica rapa</i> L.). Bangladesh Journal of Agricultural Research, 32(2), 235–246. Retrieved from https://banglajol.info/index.php/BJAR/article/view/306