000 00418nam a2200157Ia 4500
003 NIELib
008 211019s9999||||xx |||||||||||||| ||und||
020 _a9971 63 344 2
082 _a372.35
_bPRI
245 _aPrimary science 8E
260 _bPan Pacific Publications Ltd,
_c1984.
_aSingapore:
300 _a80p.;
_bcol ill.;
_c25cm
650 _aScience &Technology
650 _aPrimary Education
942 _2ddc
_cLM
999 _c26163
_d26163