TY - BOOK ID - 127670269 TI - Three theories of child development : the contributions of Erik H. Erikson, Jean Piaget, and Robert R. Sears, and their applications AU - Maier, Henry W. AU - Boehm, Werner W. PY - 1965 PB - New York (N.Y.) : Harper and Row, DB - UniCat KW - Child psychology. KW - Erikson, Erik H., KW - Piaget, Jean, KW - Sears, Robert R. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127670269 AB - ER -