TY - BOOK ID - 131938078 TI - Encyclopedia of educational research: a project of the American Educational Research Association AU - Ebel, Robert L. AU - Noll, Victor H. AU - Bauer, Roger M. AU - American Educational Research Association PY - 1969 PB - London Macmillan DB - UniCat KW - Research on teaching KW - Educational sciences UR - https://www.unicat.be/uniCat?func=search&query=sysid:131938078 AB - ER -