Johnson, Elmer John, 1896-, author2007-01-032007-01-031930http://hdl.handle.net/10217/51777masters thesesengCopyright and other restrictions may apply. User is responsible for compliance with all applicable laws. For information about copyright law, please see https://libguides.colostate.edu/copyright.Project method in teachingAgriculture -- Study and teachingMeasuring the efficiency of project work in vocational agriculture in ten Colorado high schoolsText