?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=A.+de&rft.aulast=Rouw&rft.au=Rouw%2C+A.+de&rft.date=2019&rft.title=Sibling's+influence+on+the+cognitive+development+of+a+child&rft.degree=Bachelor