(3GdWahdI GdadSWjfjI aj GdejOGf (B: ( (3GdCQV GdeMJdI (B) : s (3GdCQV GdeMJdI (B/ s - (3YHO GdeLjO, aGFRs ((3HjQhJ (B:s (3GdeDSSI GdYQHjI ddOQGSGJ,s, 1988)
Keywords: (3adSWjfs; (3WahdIs; (3GdGWaGds; (3GdJfTFI GdELJeGYjIs; (3GdEMJdGd GdYScQjs; (3GdWahdIs; (3GdefGWb GdeMJdIs; (3GdCegGJs