(3GdJMcje ai GWGQ GdeQcR GdGbdjei HGdbGgQI heOi NVhYg ddbGfhf GdeUQi (B/ s - (3SGejI QGTOs ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1986)
Keywords: (3GdbGfhf GdOhdis; (3GdJMcje GdOhdis; (3GdJMcje GdbVGFis