1.
CHEMICAL AND MINERALOGICAL PROPERTIES OF ULTISOLS OF SASAMBA AREA, EAST KALIMANTAN. Indones. J. Agric. Sci. [Internet]. 2016 Oct. 25 [cited 2026 Oct. 17];2(2):37-4. Available from: https://epublikasi.pertanian.go.id/berkala/ijas/article/view/395