(3efgLjI Yde GdGLJeGY Hjf GdhXjajI hGdeGQcSjI hGdHfjhjI(B((3gOjI ef GdGOjH YHOGdaJGM GdLed(B) / s - (3GMeO GdbUjQs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1985)
Keywords: (3GdeGQcSjIs; (3fXQjGJs; (3GdGLJeGYs; (3GdHfGA GdGLJeGYis; (3GdhXjaIs