Yousuf, M., A. Karim, A. Solaiman, M. Islam, and M. Zakaria. “Effect of Soil Moisture Level on Yield and Nutrient Balance Sheet of Black Cumin”. Bangladesh Journal of Agricultural Research, vol. 46, no. 1, Jan. 2023, pp. 43-61, doi:10.3329/bjar.v46i1.63313.