(3GdLhGfH GdJWHjbjI dJahjV GdGNJUGUGJ GdJTQjYjI h GdCOGQjI aj eUQ h GdCQOfs - (3YHO GdgGOj(B. (3HTGQs ((3OGQ GdaQbGfs (3YeGfs, 1982)
Keywords: (3GdEOGQI GdbGfhfjIs