(3GdhSjW aj MSGH GdJaGVd h GdJcGed (B/ s - (3MTjT, HQgGejs ((3HjQhJ (B:s (3OGQ GdQGJH GdLGeYjI,s, 1985)
Keywords: (3GdMSGHs; (3GdJaGVd h GdJcGeds