RT Book T1 Why people do what they do: a self-instructional program from the correctional officer training project T2 Series of self-instructional booklets in behavior modification for correctional officers JF Series of self-instructional booklets in behavior modification for correctional officers LA English PP University, Ala. PB Rehabilitation Research Foundation YR 1972 UL https://krimdok.uni-tuebingen.de/Record/109872318X