(3ehShYI GdeOf GdadSWjfjI (B/ s - (3efXeI GdhMOI GdadSWjfjIs; (3MSjf GdYhOGJs ([S.N] : (3OGFQI GdKbGaI efXeI dJMQjQ adSWjf , s, 1990)
Keywords: (3JGQjNs; (3adSWjfs; (3GdLZQGajG GdWHjYjIs; (3GdLZQGajGs; (3GdeOfs; (3GdeOf GdYQHjIs