(3ai bdH GdTQb (B: s (3bQGAI eYGUQI dGYeGd dhjS eGSjfjhf (B/ s - (3RjfH GdNVjQis ((3GdbGgQI (B: s (3GdeLdS GdGYdi ddKbGaI , s, 2003)
Keywords: (3GdadSaI GdZQHjIs; (3GdadSaI (B- (3fXQjGJs; (3GdadSaI (B- (3JQGLes