Didar-ul-Alam, M. (2008) “The Effect of Amount on Release of NH₄ and NO₃-N in the Soil at two Harvests of Nitrogen through five BGA Species and N-fertilizers in Rice Growing Plant”, Bangladesh Journal of Scientific and Industrial Research, 43(3), pp. 427–432. doi: 10.3329/bjsir.v43i3.1160.