(3GdfHGJ ZPGA h OhGA GdYSd ajg TaGA (B/ s - (3GdLfjOj, eMehO LHQjds ((3YeGf (B:s (3GdTQcI GdOhdjI ddJLgjRGJ h GdNOeGJ GdgfOSjI h GdecJHjI,s, 1996)
Keywords: (3GdWH GdTYHjs; (3GdfHGJGJ GdWHjIs; (3GdYSds