(3ESJNdGU GdeYGOf GddGMOjOjI (B/ s - (3efUhQ, EHQGgje eMehOs; (3YHO GddWja, fhGd YRJs ((3HZOGO (B:s (3hRGQI GdJYdje GdYGdj h GdHMK GdYdej (B- (3GdLGeYg GdJcfhdhLjg,s, 1990)
Keywords: (3GdJYOjfs; (3GdeYGOfs