(3ebOeI dOQGSI VeGfGJ Mbhb GdEfSGf(B/s - (3YHOGdYRjR SQMGfs ((3eUQ(B:s, 1988)
(3jMJhj Ydj eQGLY HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3bGfhf Ohdj YGes; (3Mbhb GdEfSGfs