(3GYdGe GdacQ GdGSdGei ai GdYUQ GdMOjK (B/ s - (3dLfI fTQ GdeDdaGJ GdJjehQjgs; (3GMeO JjehQs ([S.N] : (3dLfI fTQ GdeDdaGJ GdJjehQjg , s, 1967)
Keywords: (3GdYGde GdYQHis; (3GdJGQjN GdGSdGeis; (3GYdGe GdYQHs