000			00458cam a22001692 4500
001			0000021117
005			20170918144851.0
008			080306s xx 000 0 eng d
100	1		_aRICHMOND, P.E(ed),
245	1	0	_aNew trends in intrgrated science teaching.
250			_a ed.
260			_aParis : _bUnesco, _c1973.
300			_a239 p. ; _c cm.
650		0	_aScience.
650		0	_aInter- disciplinary approach in education.
908			_a22/01/80
999			_c10025 _d10025