(3GdOjf hGdSjGSI ai GSQGFjd (B: s (3OQGSI ai GdGMRGH h GdLeGYGJ GdOjfjI ai GSQGFjd h OhQgG ai GdMjGI GdSjGSjI (B/ s - (3YHOGdaJGM eMeO eGVis ((3GdbGgQI (B: s (3ecJHI eOHhdi , s, 1999)
Keywords: (3GdYdhe GdSjGSjIs; (3GdUgjhfjIs; (3GSQGFjd (B- (3GdGMhGd GdSjGSjIs; (3GdOjf hGdSjGSIs