Begum, AA, MSU Bhuiya, SMA Hossain, Amina Khatun, and SK Das. 2016. “Effect of Planting System of Potato and Plant Density of Maize on Productivity of Potato- Hybrid Maize Intercropping System”. Bangladesh Journal of Agricultural Research 41 (3):397-409. https://doi.org/10.3329/bjar.v41i3.29711.