Experiments in extension programs presented at the Thrity-second Annual Meeting, January 13-16, 1953.

Experiments in extension programs presented at the Thrity-second Annual Meeting, January 13-16, 1953.

Bibliografische gegevens
Coauteur: National Research Council (U.S.). Highway Research Board
Formaat: Boek
Taal:English
Gepubliceerd in: Washington, D.C. Highway Research Board 1953.
Reeks:Highway Research Board Bulletin 85.
Onderwerpen:
Highway engineering > Study and teaching.