Wetenschappelijke bronnen
Zoek via kernwoorden:
Angela Pyle en Erica Danniels (2017)
Angela Pyle, Christopher Deluca, Erica Danniels en Hanna Wickstrom (2020)
Clancy Blair en Cassandra Cybele Raver (2015)
Chien, N.C., Howes, C., Burchinal, M., Pianta, R.C., Ritchie, S., Bryant, D.M., Clifford, R.M., Early, D.M. & Barbarin, O.A. (2010)
Toub, T.S. Hassinger-Das, B., Turner Nesbitt, K., Ilgaz, H., Weisberg, D.S., Hirsh-Pasek, K., Golinkoff, R. M., Nicolopouloud, A., & Dickinson, D.K. (2018)
Nina Sajaniemi, Eira Suhonen, Elina Kontu, Pekka Rantanen, Harri Lindholm, Sirpa Hyttinen & Ari Hirvonen (2011)
National Scientific Council on the Developing Child (2007)
Ritchie, S., Maxwell, K.L., & Bredekamp, S. (2009)
Blair, C.B. & Raver, C.C. (2012)
Bick, J. & Nelson, C. (2017)
Chambers, B, Cheung, A.C.K. & Slavin, R.E. (2016)