How a bill becomes a law to conserve energy grades 9,11,12

How a bill becomes a law to conserve energy grades 9,11,12

Opis bibliograficzny
organizacja autorów: National Science Teachers Association, US Department of Energy
Format: Książka
Język:English
Wydane: Washington The Office c1977.
Seria:Interdisciplinary student/teacher materials in energy, the environment, and the economy
Hasła przedmiotowe:
Bills, Legislative > Study and teaching. > United States.
Energy conservation > Study and teaching.