Haque, M. E., M. Kashem, and K. Osman. “Phosphorus Status of Some Representative Cultivated Soils of Hathazari Upazilla, Chittagong, Bangladesh.”. Chittagong University Journal of Biological Sciences, Vol. 6, no. 1-2, Dec. 2013, pp. 133-0, doi:10.3329/cujbs.v6i1-2.17245.