(3OjhGf GHj aQGSs - (3GdMeOGfj(B. (3GHj aQGSs ((3OGQ HjQhJ ddWHGYI hGdfTQs (3HjQhJs, 1983)
(3QhGjI CHj YHOGddg Hf NGdhjgs
Keywords: (3GdTYQ GdYQHjs; (3GdTYQ GdYQHj (B- (3OhGhjfs