(3SfOHGO ai YeGf (B/ s - (3jhSa GdTGQhfis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1986)
Keywords: (3GdYUQ GdMOjKs; (3GdGMhGd GdGLJeGYjIs; (3SdWfI YeGfs