Golombok, S., Blake, L., Casey, P., Roman, G., & Jadva, V. (2013), Journal of Child Psychology and Psychiatry, 54(6), 653-660.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3586757/

Golombok, S., Blake, L., Casey, P., Roman, G., & Jadva, V. (2013), Journal of Child Psychology and Psychiatry, 54(6), 653-660.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3586757/