(3TGejGJ(B: (3OQGSGJ ai GdMVGQI hGdJGQjN (B/ s - (3fbhdG RjGOIs ([S.N] : (3QjGV GdQjS ddcJH hGdfTQ , s, 1989)
Keywords: (3JGQjNs; (3GdMVGQI GdYQHjI GdGSdGejI (B- (3GdeYGQa GdHMQjIs; (3GdMVGQIs; (3GdTGes; (3GdMVGQI GdadSWfjIs; (3GdMVGQI GdYQGbjIs