In Russian. Orlova, Arita Nikolaevna. Study of the optional course Chemistry in Agriculture. Moscow: Enlightenment, 1975. Izuchenie fakul'tativnogo kursa Khimiya v sel'skom khozyaystve. In Russian /Learning the optional course Chemistry in Agriculture. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU6964476