(3GYLGR GdbQGf hGKQg ai JWhQ GdfbO GdGOHi (B/ s - (3Ydi egOi RjJhfs ([S.N] : (3OGQ GdeTQb , s, 1992)
Keywords: (3GdfbOs; (3GdGSdhH (B, (3Ydes; (3GdHdGZI GdYQHjIs; (3JGQjN hfbOs; (3GdOdGdIs; (3GdbQGf (B- (3HdGZIs; (3GdbQGf (B- (3GYLGRs