Primary science :
Harlen, Wynne.
Primary science : taking the plunge / authors, Jos Elstgeest ... [et al.] ; edited by Wynne Harlen. - USA : Heinemann, 1985. - 116 p. : ill. ; 21 cm.
Includes bibliography reference and index.
04355573500
Science --Study and teaching (Elementary)
Interaction analysis in education.
372.35 HAR
Primary science : taking the plunge / authors, Jos Elstgeest ... [et al.] ; edited by Wynne Harlen. - USA : Heinemann, 1985. - 116 p. : ill. ; 21 cm.
Includes bibliography reference and index.
04355573500
Science --Study and teaching (Elementary)
Interaction analysis in education.
372.35 HAR