. (3GdYdGbGJ GdLfSjI hGdOjfs - . (3UGQLj, HTGQIs ((3HjQhJs, 1974)
Keywords: (3GdOjf hGdMjGI GdLfSjIs; (3GdLfSs; (3GdMjGI GdLfSjI hGdOjfs