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.

Sonraí bibleagrafaíochta
Údar corparáideach: National Research Council (U.S.). Highway Research Board
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Washington, D.C. Highway Research Board 1953.
Sraith:Highway Research Board Bulletin 85.
Ábhair:
Highway engineering > Study and teaching.