1. Content analysis: an introduction to its methodology Krippendorff, Klaus, Los Angeles : SAGE, [2019] PSY509 CP541 CP605 PSY412 PSY402
2. Structural equation modeling with Amos: basic concepts, applications, and programming Byrne, Barbara M., New York : Routledge, 2016. CP605
3. Assessing measurement invariance for applied research Wells, Craig, 1970- Cambridge : Cambridge University Press, 2023. CP605
