RT Journal Article SR Electronic T1 CPH credential helps workers stay informed, competitive: Learning course offered at APHA 2018 JF The Nation's Health JO Nations Health FD American Public Health Association SP 1 OP 15 VO 48 IS 7 A1 Julia Haskins YR 2018 UL http://www.thenationshealth.org/content/48/7/1.2.abstract AB