Gafney, L., & Varma-Nelson, P. (2008). Peer-Led Team Learning: Evaluation, Dissemination, and Institutionalization of a College Level Initiative. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)Gafney, Leo, και Pratibha Varma-Nelson. Peer-Led Team Learning: Evaluation, Dissemination, and Institutionalization of a College Level Initiative. Dordrecht: Springer Netherlands, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)Gafney, Leo, και Pratibha Varma-Nelson. Peer-Led Team Learning: Evaluation, Dissemination, and Institutionalization of a College Level Initiative. Springer Netherlands, 2008.
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