(3GdTNUjI GdeUQjI ef NdGd OQGSI GdahdcdhQ GdeUQi (B/ s - (3aGWeI MSjf GdeUQis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1984)
Keywords: (3eUQs; (3GdYGOGJ hGdJbGdjOs; (3GdahdcdhQs; (3GdGOH GdTYHis; (3GdTNUjIs; (3GdGLJeGYs; (3Gdafhf GdTYHjIs; (3GdJfTFI GdGLJeGYjIs