"In Russian. Trinko, Roman Ivanovich. Statistical Methods in Economic Research. Dubljany (Lviv Region); Lviv: SKI, 1978 Statisticheskie metody v ekonomicheskikh issledovaniyakh/Statistical Methods in Economic Research In Russian. 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. SKU8416453"