RT Book T1 An investigation into the effects of varied educational programming upon the academic potential and delinquent attitudes of institutionalized male adolescents A1 Singer, Chester J. LA English PP Ann Arbor, Mich. PB Xerox Univ. Microfilms YR 1977 UL https://krimdok.uni-tuebingen.de/Record/1093753404 K1 Hochschulschrift