TY - BOOK ID - 127818438 TI - Improving the long-term effects of psychotherapy : models of durable outcome AU - Steffen, John J. AU - Karoly, Paul PY - 1980 SN - 0470268549 PB - New York (N.Y.) : Gardner, DB - UniCat KW - Behavior therapy. KW - Personality change. UR - https://www.unicat.be/uniCat?func=search&query=sysid:127818438 AB - ER -