OKA (Otto Kroeger Associates)

year of pub­li­ca­ti­onISBNauthor(s)title
2008978-1-935321-01-9Hile RutledgeMBTI® Introduction Workbook
2004978-1-935321-02-6Hile RutledgeMBTI® Introduction
2009978-1-935321-19-4Rita M. MurrayGenerations: Bridging the Gap with Type