(3GdadSaI aj GdgfO (B: s (3bWGYGJgG GdgfOhcjI hGdeYGUQI eY ebOeGJ Yf GdadSaI GdTQbjI haj GdUjf (B/ s - (3RjYhQ, Ydj(B.s ((3HjQhJ (B: s (3eDSSI YRGdOjf ddWHGYI hGdfTQ, s, 1993)
Keywords: (3GdadSaI GdTQbjI(B.s; (3GdadSaI GdESdGejI(B.s; (3GdadSaI GdgfOjI(B.s