(3QSGdI GHf aVdGf(B: (3ai hUa GdQMdI Gdi HdGO GdJQc hGdNRQ hGdQhS hGdUbGdjI (B/ s - (3SGei GdOgGf (B((3JMbjb(B)s; (3GHf aVdGf (B: (3GMeO Hf aVdGf Hf GdYHGS Hf GSO Hf MeGgs ([S.N] : (3GdeLeY GdYdei GdYQHi , s, 1988)
Keywords: (3GdQMdGJ ai GdGOHs; (3hUa hQMdGJs; (3GdcTha GdLZQGajIs