(3GdgdGd GZSWS (B1992 : 40 (3YGeG Ydi SbhW Gdedc aGQhbs ((3GdbGgQI (B: s (3OGQ GdgdGd ddWHGYI hGdfTQ , s, 1992)
Keywords: (3GdbUU GdYQHjIs; (3GdJYdje GdLGeYis; (3GdLGeYGJ hGdcdjGJs; (3GdJKbja GdPGJis; (3TcQi YjGOs; (3GdTYQ GdYQHi (B- (3OhGhjf hbUGFOs; (3GddZI GdYQHjI (B- (3Ydes