(3ebOeI ai fXQjI GdGOH (B/ s - (3YHOGdefYe JdjeIs ([S.N] : (3OGQ GdKbGaI ddfTQ hGdJhRjY , s, 1990)
Keywords: (3GdGOHs; (3GdKbGaIs; (3GdGfKQHhdhLjG GdKbGajIs; (3GdQeRjI ai GdGOHs; (3JGQjN hfbOs