Debnath, M., M. Jahiruddin, M. Rahman, and M. Haque. “Determining Optimum Rate of Boron Application for Higher Yield of Wheat in Old Brahmaputra Floodplain Soil”. Journal of the Bangladesh Agricultural University, vol. 9, no. 2, June 2012, pp. 205-10, https://www.banglajol.info/index.php/JBAU/article/view/10987.