[1]
Aflizar, ., Muzakkir, ., Afrizal, R. and Rahman, M.A. 2017. Geochemical Investigation of Selected Elements in an Agricultural Soil: Case Study in Sumani Watershed West Sumatera in Indonesia. JOURNAL OF TROPICAL SOILS. 21, 1 (Jan. 2017), 49–66. DOI:https://doi.org/10.5400/jts.2016.v21i1.49-66.