Ali, M. A., M. Molla, M. R. Alam, M. Momin, and M. Mannan. “Effect of Combinations of Chemical Fertilizers and Poultry Manure on the Productivity of Crops in the Cauliflower-Stem Amaranth-Jute Pattern”. Bangladesh Journal of Agricultural Research, vol. 34, no. 1, Aug. 2010, pp. 113-21, doi:10.3329/bjar.v34i1.5761.