D.C. Nayak and S.K. Singh SRSR. Geostatistical and Multivariate Analysis of Heavy Metal Pollution of Coal-mine Affected Agricultural Soils of North-eastern India. JISSS [Internet]. 2018 Jun. 16 [cited 2026 Jul. 16];66(1). Available from: https://epubs.icar.org.in/index.php/JISSS/article/view/80695