by TOSHEVA, MARIANA R, ANGELOVA, IVANKA G, IVANOV, CHAVDAR B, TANCHEVA, CHONKA N, ST. IVANOVA, NEDYALKA, BOYADJIEV, STEFAN EM, TERSIISKA, SPASKA AN, VELKOV, VESSELIN AN, PASKOV, VLADIMIR D, MONDESHKA, DONKA M, PARESHIKOV, VLADIMIR AT
Year of Publication 24.10.1990

by TOSHEVA, MARIANA R, ANGELOVA, IVANKA G, IVANOV, CHAVDAR B, IVANOVA, NEDYALKA ST, TANCHEVA, CHONKA N, BOYADJIEV, STEFAN EM, TERSIISKA, SPASKA AN, PARASHIKOV, VLADIMIR AT, VELKOV, VESSELIN AN, PASKOV, VLADIMIR D, MONDESHKA, DONKA M
Year of Publication 05.12.1990

by VLADIMIR AT. PARASHIKOV, DONKA MINKOVA MONDESHKA, VESSELIN AN. VELKOV, CHONKA N. TANCHEVA, NEDYALKA STOYANOVA IVANOVA, CHAVDAR BORISSOV IVANOV, IVANKA GEORGIEVA ANGELOVA, MARIANA R. TOSHEVA, VLADIMIR D. PASKOV, SPASKA AN. TERSIISKA, STEFAN EM. BOYADJIEV
Year of Publication 25.10.1990