(3GSS GYOGO dGYH cQI GdbOe (B((3hGdGdYGH GdLeGYjI(B) / s - (3Ydi agei GdHjcs ([S.N] : (3eWHYI GdJhfi , s, 1992)
Keywords: (3JOQjHs; (3cQI GdbOes; (3GdYGH GdcQIs