(3deMGJ ef JGQjN GdcJGH h GdecJHGJ (B/ s - (3GdUhaj, YHO GddWjas ((3OeTb (B:s (3OGQ WdGS,s, 1987)
Keywords: (3Yde GdecJHGJs; (3GdecJHGJs; (3Yde GdeYdheGJs