(3GdJMdjd GdSjGSi GdMOjK (B/ s - (3QhHQJ,GOGds; (3YdGA GHh RjO , eJQLes; (3Ydj GdOjf gdGd ,eQGLYs ((3GdbGgQI (B: s (3eQcR GdGgQGe ddJQLeI hGdfTQ , s, 1993)
Keywords: (3GdSjGSIs; (3GdOjebQGWjIs; (3GdGLJeGYs; (3GdSdhcs; (3GdfXQjGJs