RT Book
T1 A theory-ridden approach to program evaluation: a method for researcher-implementer collaboration
T2 Report / Center for Social Organization of Schools, the Johns Hopkins University
T2 ERIC reports
JF Report
A1 Gottfredson, Gary D. 1947-
LA English
PP Baltimore
PB Johns Hopkins Univ., distrib. by Alexandria, Va: Computer Microfilm Internat.
YR 1982
UL https://krimdok.uni-tuebingen.de/Record/1091570221