(3HYO GQHYjf YGeG HQGAI NejS hGdHbQi(B: (3GMOGK caQ GdOhGQ GdOGejI (B12(3`(B13 (3CZSWS (B1952 / s - (3YHOGdefYe GdZRGdi GdLHjdis ([S.N] : (3OGQSTGJ ddOQGSGJ hGdfTQ hGdJhRjY , s, 1993)
Keywords: (3GdYUQ GdMOjKs; (3eUQs; (3GdJGQjNs; (3KhQI (B23 (3jhdjh (B1952s; (3GdYeGd GdeUQjhfs; (3GdGVWQGHGJ GdYeGdjIs