MAP20120017818 Ewing, Lance Never stop learning : the value of underwriters depends upon their ability to exercise knowledge and judgment, and to increase both every day / Lance Ewing En: Best's Review. - New Jersey : A.M. Best Company, 1976- = ISSN 1527-5914. - 01/02/2012 Tomo 112 Número 10 - 2012 I. Title.