• Creator
  • University of Illinois (Urbana-Champaign campus). Cooperative Extension Service; University of Illinois (Urbana-Champaign campus). Dept. of Agricultural Economics; University of Illinois (Urbana-Champaign campus). Extension Service in Agriculture and Home Economics; University of Illinois at Urbana-Champaign. Cooperative Extension Service in Agriculture and Home Economics
  • Publisher
  • Urbana,Cooperative Extension Service, University of Illinois at Urbana-Champaign