@misc{indiciae3d8ede9b4d24, title = {Key issues in intervention research: a program evaluation perspective.}, author = {M W Lipsey}, year = {1996}, doi = {10.1002/(sici)1097-0274(199604)29:4<298::aid-ajim4>3.0.co;2-l}, url = {https://pubmed.ncbi.nlm.nih.gov/8728128/}, note = {Source identifier: 8728128} }