(3GdNW GdYQHi ddfGTFg ebOeI JGQjNjI dfTGI GdNW GdYQHi hGfhGYg eY cQGSI NW GdQbYI (B/ s - (3eMeO SYjO GdUMGQs ([S.N] : (3OGQ GdSGbi , s, 1988)
Keywords: (3GdNW GdYQHis; (3OQGSI GdNWhWs; (3GdNW Gdchais; (3JMSjf GdNWs; (3RNQaI GdNWs; (3GdNW GdOjhGfis; (3GdNW GdQbYIs