000 00258nam a22001217a 4500
082 _a370
_bPRO.P
245 _aProgress of education /
260 _c1962.
500 _aVol 36 Vol 37
505 _aVol 36 Vol 37
650 _aEducation
942 _2ddc
_cBK
999 _c724829
_d724829