000 00569cam a22002295a 4500
003 AR-BaBNM
005 20230202142326.0
007 ta
008 000000s1971 xx |||||||||||||||||fre|d
035 _a000174278
040 _aAR-BaBNM
_bspa
_eaacr
080 _a372.85
100 1 _aRichmond, P. E.
245 1 0 _aNew trends in integrated science teaching 1969-1970
260 _a[S.l.] :
_b[s.n.],
_c1971.
300 _a1 v.
650 4 _aCiencia
_96975
650 4 _aEnseƱanza
_97733
650 4 _aEducación
_97568
710 2 _aUnesco.
942 _2udc
_cLIBRO
999 _c164594
_d164594