Alam, M. R., Ali, M. A., Molla, M., Momin, M., & Mannan, M. (2010). Evaluation of different levels of potassium on the yield and protein content of wheat in the high Ganges river floodplain soil. Bangladesh Journal of Agricultural Research, 34(1), 97–104. https://doi.org/10.3329/bjar.v34i1.5759