00989nam a22002537a 450000500170000001000110001702000220002803500110005003700160006104000120007708200130008910000260010224500680012826000340019627000310023030000200026150000260028165000380030765000350034594200220038099900190040295201390042195201750056020170124110024.0  a961906  c00.00a9231013319  a961906  bCen Lib/Ret  aDPLbEN  a507bBAE  aBaez, Albert V920232  aInnovation in science education, world wide /cby Albert V Baez  aParisbThe Unesco Pressc1976  a7 Place de FontenoybParis  a249p.c23cm(Hb)  aIncludes bibliography  aScience--Study and teaching94704  aEducational innovations917645  2ddccENh507mBAE  c127348d127348  04104070aLbLd2015-06-29eCen Lib/Retg0.00l0o507 BAEp961906r2015-06-29 00:00:00t1v0.00w2015-06-29yENzW/d list no. 6834/9  04102ddc4070aLbLd2016-11-01g0.00l0o507 BAEp841480r2016-11-01 00:00:00t2v0.00w2016-11-01yENzWritten off on approval by DLB (By Circulation); dtd 15-06-2023