TY - BOOK ID - 139142956 TI - Research in education : an introduction AU - Turney, Billy Lawrence AU - Robb, George P[aul] PY - 1971 PB - Hinsdale Dryden Press DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:139142956 AB - ER -