(3GdfHGJGJ ZPGA h OhGA h GdYSd ajg TaGA (B/ s - (3GdLfOj, eMehO LHQjds ((3YeGf (B:s (3GdeDda,s, 1996)
Keywords: (3GdWH GdTYHjs; (3GdfHGJGJ GdWHjIs; (3GdYSds