TY - BOOK ID - 136228562 TI - The educational technology : cartoon book. PY - 1970 SN - 0877780005 PB - Englewood Cliffs (N.J.) Educational technology DB - UniCat KW - Teaching machines KW - Caricatures and cartoons UR - https://www.unicat.be/uniCat?func=search&query=sysid:136228562 AB - ER -