?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Halomoan&rft.aulast=Halomoan&rft.au=Halomoan%2C+Halomoan&rft.atitle=Improvement+of+Motivation+and+Ability+to+Solve+Probelem+In+Mathematical+Learning+Using+Problem+Solving+Method+In+Class+VI+SDN+07+Koto+Alam+Kecamatan+Palembayan&rft.date=10+May+2019&rft.issn=ISSN+%3A+print+%3A+2655-4852+dan+online+%3A+2655-5093&rft.title=International+Journal+of+Educational+Dynamics&rft.volume=1&rft.issue=2&rft.pages=308-311&rft.genre=article