TY - JOUR T1 - Arborist Certification Vs. Licensing JF - Arboriculture & Urban Forestry (AUF) JO - JOA SP - 327 LP - 329 DO - 10.48044/jauf.1985.070 VL - 11 IS - 11 AU - R. Hall Laurence Y1 - 1985/11/01 UR - http://auf.isa-arbor.com/content/11/11/327.abstract N2 - ER -