(3GdYbd GdGejQci jacQ (B:s (3ef GdMQjI GdaQOjI Gdi eSN GdcGFfGJ(B/s - (3Thbi LdGds ((3GdbGgQI (B: s (3ecJHI eOHhdi,s, 2000)
(3jTJed Ydi GQLGYGJ HHdjhLQGajIs
Keywords: (3GdMbhb GdeOfjIs; (3MQjI GdJYHjQs; (3Mbhb GdGfSGfs; (3GdJfhjQs