(3ef GdGMJaGd GdTYHj Edi GdeSQM (B: s (3YQVI GdYjGdI CfehPkLG (B/ s ((3OHj (B: s (3fOhI GdKbGaI hGdYdhe , s, 1999)
Keywords: (3GdeSQM GdEeGQGJj, GdYjGdI, Gdafhf GdTYHjIs