(3GdRghQ fHGJGJ GdRjfI hJUeje hJfSjb GdMOGFb (B/ s - (3eMehO NWGHs; (3eMeO gjcds; (3eUWai HOQs; (3WGQb eMehO GdbjYis ([S.N] : (3efTGI GdeYGQa GdGSdGejI , s, 1990)
Keywords: (3GdRghQs; (3GdMOGFbs; (3fHGJGJ GdRjfIs; (3GdHSGJjfs