Ghaswa, Ramdhan, et al. , translators. “Knowledge, Adoption and Constraints of Soil Health Card Based Fertilizer Application in Ratlam District, M.P. ”. Indian Journal of Extension Education, vol. 55, no. 2, Apr. 2019, pp. 94-96, https://acspublisher.com/journals/index.php/ijee/article/view/4603.