00434nam a2200157   450000100060000000300030000600500170000900800410002603500190006703500180008605000220010410000200012624500850014625000110023126000340024227441UR20220427183110.0061104|||||||||||||||||||||||||||||||| d  a(janium) 27430  a(janium)27428 4aLC1043b.R68 19711 aRoberts, Roy W.10aVocational and practical arts educationb : history, development, and principles  a3a ed.  bHarper & Row Publishersc1971