?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Erni%2C+Munastiwi&rft.aulast=Erni&rft.aufirst=Munastiwi&rft.issue=1&rft.volume=Vol.+7&rft.issn=2477-4715&rft.atitle=The+Comparison+on+21st+Century+Skills+of+Early+Childhood+in+Four+Schools+in+Yogyakarta&rft.title=Al-Athfal%3A+Jurnal+Pendidikan+Anak&rft.pages=39-52&rft.genre=article