In Russian. Balin, Mikhail Konstantinovich. Recommendations on the organization of laboratory and practical work on tractors, combine harvesters and agricultural machinery. (IX-X kl.). Part I, II, III. Rostov n / a: 1975. Rekomendatsii po organizatsii laboratorno-prakticheskikh rabot po traktoram, kombaynam i sel'skokhozyaystvennym mashinam. (IX-X kl.). Ch. I, II, III. In Russian /Recommendations on the organization of laboratory-practical work on tractors, combine harvesters and agricultural machinery. (pp. IX-X). Part I, II, II. 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. SKU6908063