(3Gdfjd(B: (3MjGI fgQ (B/ s - (3dhOajL, Gejds ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1997)
Keywords: (3fgQ Gdfjds; (3efGHY Gdfjds; (3fgQ Gdfjd (B- (3ajVGfGJs