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Autor:
White, Margaret Dawn
Curriculum change is accompanied by the need for new teaching materials. The proposed introduction of an optional topic: Air Pollution, in standard 9 physical science in South African schools in 1993, prompted the research into the design, implementa
Externí odkaz:
http://hdl.handle.net10539/14320
Publikováno v:
Journal of Chemical Education. Jan2000, Vol. 77 Issue 1, p104. 7p. 6 Diagrams, 5 Charts.
