Coppens, Silva, Ruvalcaba, Alcalá, López, & Rogoff (2014) Coppens, A.D., Silva, K.G., Ruvalcaba, O., Alcalá, L., López, A., & Rogoff, B. (2014). Learning by Observing and Pitching In: Benefits and processes of expanding repertoires. Human Development, 57, 150-161. Share this post: Share on X (Twitter) Share on Facebook Share on LinkedIn Share on Email