V.K. Singh, S. Kundu, A.K. Tripathi, S. Srivastava, J.K. Saha and A.K. Patra, S. R. M. D. M. V. C. N. S. Block Level Soil Fertility Status of Tribal Dominated Jhabua District of Madhya Pradesh, India. JISSS 2020, 68 (1).