%0 Journal Article %A Sue B. Simpson %T Isa Texas Chapter Proposed Certification Program %D 1985 %R 10.48044/jauf.1985.032 %J Arboriculture & Urban Forestry (AUF) %P 143-146 %V 11 %N 5 %U https://auf.isa-arbor.com/content/isa/11/5/143.full.pdf