TY  - RPRT
TI  - Opening the black box: using process evaluation measures to assess implementation and theory building.
AU  - T W Harachi
AU  - R D Abbott
AU  - R F Catalano
AU  - K P Haggerty
AU  - C B Fleming
PY  - 1999
DO  - 10.1023/a:1022194005511
UR  - https://pubmed.ncbi.nlm.nih.gov/10676545/
ID  - 10676545
ER  -