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Yovchev, Milko, Bulgaria
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CONTEMPORARY MATERIALS Vol. 10 No. 2 (2019): Contemporary Materials X−2 - Articles
TECHNICAL AND ECONOMIC DEVELOPMENT OF THE PHOTOVOLTAIC ELECTRICITY IN BULGARIA
Abstract PDF -
CONTEMPORARY MATERIALS Vol. 4 No. 2 (2013): Contemporary Materials IV-2 - Articles
STUDY OF OPERATING MODES OF A STAND-ALONE PHOTOVOLTAIC SYSTEM FOR OUTDOOR LIGHTING
Abstract PDF