(3Gdajde hGdLeghQs - (3eGfad , QhLQs; (3JQLeg HQdfJj efUhQ ,s; (3eQGLYI jhSa Yehfs ((3GdbGgQI (B:s (3GdeDSSI GdeUQjI GdYGeI(B,s, 1960)
Keywords: (3Gdajde GdSjfeGFi (B.s; (3GdLeghQ(B.s