I. The rationalization of trade in dairy and oil products. /Dvoretskiy I. Ratsionalizatsiya torgovli molochno-maslyanymi tovarami. The Invention and Rationalization of Commerce and Public Catering 1939. 56 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalbb4f16d7d96fdc470