(3GdceHjhJQ ai ecGJH GdeMGSHI (B/ s - (3QGJH aHjYIs; (3LhQL eOHcs ((3HjQhJ (B: s (3OGQ GdQGJH GdLGeYjI , s, 1986)
Keywords: (3GdeMGSHI GdGdjIs; (3GdeMGSHIs