In Russian. Kantarjyan, Sarkis Levonovich. Economic problems of optimization of chemical and technological processes. Ekonomicheskie problemy optimizatsii khimiko-tekhnologicheskikh protsessov. In Russian /The Economic Challenges of Optimizing Chemical Processes . 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. SKU1003407