APA-viite

Nkwake, A. M. (2020). Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing.

Chicago-tyylinen lähdeviittaus

Nkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.

MLA-viite

Nkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.

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