Islam, M., M. Akhteruzzaman, M. Alom, M. Sarker, and M. Mannaf. “Fertilizer Management in Hybrid Maize (Zea Mays l.)-Mukhikachu (Colocasia Esculenta) Relay Cropping System”. Bangladesh Journal of Agricultural Research, vol. 38, no. 3, Nov. 2013, pp. 481-9, doi:10.3329/bjar.v38i3.16975.