Chakrawarty, Ms. Poonam, et al. “Impact and Awareness of Soil Health Card on Soybean Production Technology in Ujjain Block of Ujjain District, M.P, India.” International Journal of Environment, Agriculture and Biotechnology, vol. 3, no. 4, 2018, pp. 1382–85. Crossref, https://doi.org/10.22161/ijeab/3.4.32.