The craft of interviewing in realist evaluation. Manzano A. A Manzano - Evaluation, 2016 - journals.sagepub.com GSID: bK9COLWH-z8J
Small-scale evaluation: Principles and practice. [No authors listed] C Robson - 2017 - books.google.com GSID: 7kH5f1-9kCYJ