000 00507nam a2200169 a 4500
005 20190304175742.0
008 040319s19uu xx 00 eng d
020 _a0470166827
100 _aComber, L. C.
245 _aScience education in nineteen countries :
_ban empirical study /
_cL.C. Comber and John P. Keeves.
260 _aNew York :
_bWiley,
_cc1973.
300 _a403 p.
440 _aA Halsted Press book
650 _aScience
_xStudy and teaching.
700 _aKeeves, John P.
942 _2ddc
999 _c99120
_d99120