(3YdGeGJ GSJagGe(B: (3ebGdGJ ai GdGOH GdYQHi (B/ s - (3Ydi TdTs; (3Ydi TdHis ([S.N] : (3GdfGTQ ddWHGYI hGdfTQ hGdJhRjY , s, 1992)
Keywords: (3GdGOH GdYQHis; (3GdfbOs; (3JGQjN hfbOs