TY - BOOK ID - 130051927 TI - Learning by discovery : a critical appraisal : proceedings of a conference on learning by discovery [...] AU - Shulman, Lee S. AU - Keislar, Evan R. PY - 1968 PB - Chicago Rand McNally DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:130051927 AB - ER -