(3GdNGQLjI GdeUQjI(B: 1826(3`(B1937(3e (B/ s - (3jhfGf dHjH QRbs ([S.N] : (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1989)
Keywords: (3eUQs; (3JGQjNs; (3hKGFbs; (3hRGQI GdNGQLjIs