Barman, A., S. Shome, M. Khatun, M. Masud, and S. Akther. “Increasing Cropping Intensity and Crop Productivity of Four Crops Based Mustard-Boro-T. Aus-T. Aman Cropping Pattern”. Bangladesh Agronomy Journal, vol. 24, no. 1, Sept. 2021, pp. 109-17, doi:10.3329/baj.v24i1.55551.