Cette entrée a été combinée avec Robert Friedhoffer.
Bob Friedhoffer
Auteur de Physics Lab in the Home
Œuvres de Bob Friedhoffer
Everything you need for Winning Science Fair Projects: Grades 5-7 (Scientific American Winning Science Fair Projects) (2006) 8 exemplaires
Physics Lab in the Hardware Store, Housewares Store, Home, and the Supermarket (Bob Friedhoffer Science Series) (2017) 2 exemplaires
Science Lab in the Supermarket (Illustrated) 1 exemplaire