(3MhGd GdOjf hGdOjebQGWjI (B/ s - (3fLjH eMahXs ([S.N] : (3GdOGQ GdeUQjI GddHfGfjI , s, 1990)
Keywords: (3GdGOHs; (3GdebGdGJs; (3fLjH eMahXs; (3GdeLehYGJs