00896cam a22002531  450000100060000000300080000600500170001400800390003103500190007003500180008904000710010704100080017808200230018610000240020924500690023326000450030230000350034750400250038265000300040765000350043794200120047299900170048495201410050130731BD-RjUL20211209051617.0140412s1961    caua     b    000 0 eng  a(BD-RjUL)30818  a(OCoLC)177740  aDLCcOCanMdNBrockUdOCoLCdODaWUdOClW-HdNcRSdDLCdBD-RjULbeng  aeng  a371.3944bCRE 19611 aCram, David.99341110aExplaining "teaching machines" and programming /cby David Cram.  aSan Francisco, Calif. :bFearon,cc1961.  avii, 86 p. :billus. ;c20 cm.  aBibliography: p. 82. 0aTeaching machines.929045 0aProgrammed instruction.993412  2ddccBK  c30731d30731  00102ddc40718NFICaRUCLbRUCLcReadingd1965-02-11eZitlingerg10.00l0o371.3944 CRE 1961r2014-04-12 00:00:00tC-1w2014-04-12yBK