New trends in primary school science education : Vol. 1 / Wynne Harlen. Harlen, Wynne. Science Study and teaching (Primary) Congresses. LB1532 .N38 1983 372.24 UNN "Composed of background documents provided for a Meeting of Experts on the Incorporation of Science and Technology in the Primary School Curriculum (Paris, June 1980)" Bibliography: p. 203-216. Paris : Unesco, 1983. 1983. 1983 Text v. ; eng The Teaching of basic sciences. Primary school science