(3GdaQGZ h eTcdGJ ESJKeGQg (B: s (3OQGSI ebGQfI aj Yde ELJeGY GdaQGZ (B/ s - (3GdMSf, EMSGf eMeOs ((3HjQhJ (B:s (3OGQ GdWdjYI,s, 1986)
Keywords: (3Yde GdGLJeGYs; (3hbJ GdaQGZs