(3JGQjN GdacQ GdJQHhi ai eUQ GdMOjKI (B/ s - (3SYjO GSeGYjd Ydis ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1989)
Keywords: (3GdYdeGAs; (3JGQjNs; (3GdYdes; (3GdeLJeYs; (3GdJYdjes; (3GdJQHjIs; (3GdGLJeGYs; (3GdJZjQ GdGLJeGYis