(3Yde faSc dZI (BC /s - (3cQfShf, SJja(B.s; (3eQcR GdJYQjH h GdHQeLI (B.s ((3HjQhJ (B:s (3GdOGQ GdYQHjI ddYdhe,s, 1991)
(3jMJhi Ydi bGFeI HjHdhLQGajI HGdeQGLY(B.s
1
Keywords: C ((3dZGJ GdMGSHGJ GdEdcJQhfjI(B)s