(3GdegGQGJ GddZhjI heSJhjGJgG (B:s (3JMdjd faSj dZhj (B: (3OQGSI ejOGfjI (B/s - (3WYjeI, QTOj CMeOs; (3CHh TfH, CMeO LeYI eMeOs ((3ecI GdecQeI (B:s (3LGeYI Ce GdbQi, eYgO GddZI GdYQHjI, hMOI GdHMhK hGdefGgL,s, 1990)
Keywords: (3GddZI GdYQHjIs -- (3OQGSI hJYdjes