000 00904nam a2200217 a 4500
001 11814
003 CY-NiPEI
005 20210226091217.0
008 180521s1969 us d engd
040 _beng
_aCY-NiPEI
082 7 _a507.1
_223
245 1 0 _aDesigns for progress in science education /
_cCommittee on Designs for Progress in Science Education ; edited by David P. Butts.
260 _aWashington:
_bNational Science Teachers Association,
_c1969.
300 _axi, 105 p. ;
_c23 cm.
504 _aIncludes bibliographical references.
650 0 _aScience
_xStudy and teaching
_zUnited States
_915651
700 1 _aButts, David P.
_4edt
_92226
710 0 _aNational Science Teachers Association
_bCommittee on Designs for Progress in Science Education
_4pbl
_912426
911 _a009903
_e20180521
_j1969
_n507.1 NST
_p1
_q15
_r0
_s0
942 _2ddc
_cBK
_h507.1 NST
999 _c11797
_d11797