000 00593cam a2200193 4500
999 _c14496
_d14496
003 OSt
005 20190830200137.0
008 720810s1972 fr a b 000 0 eng
040 _aOSt
_cOSt
_dOSt
_beng
082 0 0 _a371.39422 / P752t
100 1 _aPocztar, Jerry.
_930778
245 1 4 _aThe theory and practice of programmed instruction :
_ba guide for teachers /
_cJerry Pocztar.
260 _aParis :
_bUNESCO,
_cc 1972.
300 _a179 p. :
_bill. ;
_c21 cm.
490 _aMonographs on education, vii.
508 _a332
650 _aProgrammed instruction.
_9243875
942 _2ddc
_cBK