Nkwake, A. M. (2020). Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing.
Chicago Style aipamenaNkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.
MLA aipamenaNkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.