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.

书目详细资料
企业作者: National Research Council (U.S.). Highway Research Board
格式: 图书
语言:English
出版: Washington, D.C. Highway Research Board 1953.
丛编:Highway Research Board Bulletin 85.
主题:
Highway engineering > Study and teaching.