(3GdQhVI GdfGVQI dWGdHi GdGNQI ai GMGOjK GdQShd Udi Gddg Ydjg hSde GdRGgQI (B/ s - (3YHOGdMdje eMehOs; (3YHOGdaJGM GdbGVis; (3YHOGdLdjd bGSes ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1990)
Keywords: (3GdGSdGes; (3GdMOjKs; (3GdGMcGes; (3LeY hJOhjfs