(3JjSjQ GdfMh GdJYdjei bOjeG hMOjKG eY fgL JLOjOg (B/ s - (3Thbi Vjas ((3GdbGgQI (B: s (3OGQ GdeYGQa , s, 1993)
Keywords: (3JGQjNs; (3fMhs; (3GddZI GdYQHjIs; (3JYdje hJOQjSs