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.

Bibliografiska uppgifter
Institutionell upphovsman: National Research Council (U.S.). Highway Research Board
Materialtyp: Bok
Språk:English
Publicerad: Washington, D.C. Highway Research Board 1953.
Serie:Highway Research Board Bulletin 85.
Ämnen:
Highway engineering > Study and teaching.