Energy plus
Subtitle: a teaching aid for the primary-junior divisions
By: [written by Laurie Ayres... et al.].
Contributors: Ayres, Laurie.; Ontario Hydro.
Publisher: Ontario Hydro]
Published: 1980
Place of publication: [Toronto
Language: eng
Number of pages: 120
Subjects: Power resources -- Study and teaching (Elementary)
Notes: Part of Ontario Hydro's Energy Education Program.