by CROSSON, JAMES E, DE JUNG, JOHN E
Year of Publication 01.02.1967

by De Jung, John E
Year of Publication 01.04.1988

by YOON JUNILL,RO JONG-YUL,NAMGOONG JOHN E.,JUNG DO YANG
Year of Publication 31.10.2007

by Jung, John E., Meyer, William J.
Published in Child development (01.03.1963)

by Warner, Dennis A, De Jung, John E
Published in American Journal of Mental Deficiency (1971)

by Warner, Dennis A, de Jung, John E
Year of Publication 01.03.1969

by DeJung, J E
Published in Psychological reports (01.02.1966)

by de Jung, John E., Meyer, William J.
Published in Child development (01.03.1963)

by Edmonson, B, De Jung, J E, Leland, H
Published in Mental retardation (Washington) (01.10.1965)

by Warner, D A, De Jung, J E
Published in American journal of mental deficiency (01.05.1971)