Nkwake, A. M. (2020). Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing.
استشهاد بنمط شيكاغوNkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.
MLA استشهادNkwake, Apollo M. Credibility, Validity, and Assumptions in Program Evaluation Methodology. Springer International Publishing, 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.