?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Winarti%2C+-&rft.aulast=Winarti&rft.aufirst=-&rft.issue=1&rft.volume=15&rft.date=January+2022&rft.issn=e-ISSN%3A+1308-1470+p-ISSN%3A+1694-609X&rft.atitle=Improving+Learners%E2%80%99+Metacognitive+Skills+with+Self-Regulated+Learning+based+Problem-Solving&rft.title=International+Journal+of+Instruction&rft.pages=139-154&rft.genre=article