(3GdJZdH Ydi GdaCaCI (B( (3GdKdYKe (B) : s (3CSHGH GdaCaCI h hSGFd GdJNdU efgG (B/ s - (3dGOd, Q (B. (3e (B. (3eGcOhfGdOs; (3GdCSOj, Jhajbs ((3OeTb (B:s (3OGQ GdLdjd,s, 1990)
Keywords: (3GdWads; (3GdOQGSIs; (3GdCWaGds