00569nam a2200157Ia 450000500170000000800460001703700290006304000210009204100130011308400250012624500330015124500550018426000600023930000110029949001010031020250508153423.0008  250505s9999    xx            000 0 eng d  aBooks to be hide in OPAC  aFEDL bengcFEDL  aeng2eng  a371.425, UNI/OqFEDL 0aCivil and highway technology 0cU. S. Department of Health, Education, and Welfare  aWashington, USAbU.S. Government Printing Office c1962  av,20p.  aSuggested Techniques for Determining Courses of Study in Vocational-Technical Education Programs