000 00544nam a2200181Ia 4500
005 20250508154057.0
008 008 250505s9999 xx 000 0 eng d
037 _aTextual
040 _aFEDL
_beng
_cFEDL
041 _aeng
_2eng
084 _a371.42, EDL
_qFEDL
100 _aEdling Jack V. and others
_9764997
245 0 _aFour case studies of proramed instruction
260 _aNew York, USA
_bFund for the Advancement of Education
_c1964
300 _a119p.
942 _cTEXL
_h371.42, EDL
999 _c1347471
_d1347471