(3OjhGf GdYHGS Hf GdCMfas - (3YeQ aGQhb GdWHGY(B. .s ((3HjQhJ (B:s (3TQcI OGQ GdCQbe Hf GHi GdCQbe ddWHGYI h GdfTQ h GdJhRjY(B,s, 1997)
Keywords: (3Ohhjf TYQGA GdYQH(B.s