(3GdebJVH ef cJGH LegQI GdfSH (B/ s - (3jGbhJ GdMehi(B: (3TgGH GdOjf GHhYHOGddg jGbhJ Hf YHOGddg GdQhei GdHZOGOis; (3fGLi MSf(B((3JMbjb(B)s ((3HjQhJ (B: s (3GdOGQ GdYQHjI ddehShYGJ , s, 1987)
Keywords: (3GdGfSGfs; (3GdJGQjN GdGSdGeis; (3GdGfSGH GdYQHjIs; (3GdGfSGH hGdGYQGbs