(3OhQ GdbjGOI ai GJNGP GdbQGQ NdGd GdGReGJ (B/ s - (3QLH YHOGdMejO GdSjOs ((3GdbGgQI (B: s (3QLH YHOGdMejO GdSjO , s, 2000)
Keywords: (3GdbjGOI GdGOGQjIs; (3GOGQI GdGReGJs; (3GJNGP GdbQGQGJs; (3GdchGQK GdWHjYjI (B- (3GOGQI GdGReGJs