(3GdGfhGQ GdbOSjI ai eYQaI bhGYO GdUhajI (B/ s - (3YHOGdhgGH GdTYQGfis ([S.N] : (3GdecJHI GdYdejI , s, 1992)
Keywords: (3GdGSdGes; (3GdJUhas; (3GdebGeGJ h GdGMhGd h GdGUWdGMGs