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Message * Problemy Ekonomiï Enerhiï Zbirnyk Materialiv Iv Miz︠h︡narodnoï Naukovo-Praktychnoï Konferent︠s︡iï : Lʹviv, 8-12 Z︠h︡ovtni︠a︡ 2003 R - 966553324X - 9789665533245