?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Ninik&rft.au=Purwantini%2C+Ninik&rft.aulast=Purwantini&rft.date=31+October+2014&rft.degree=S2&rft.title=Peningkatan+Kualitas+Pembelajaran+Keterampilan+Melalui+Pendekatan+Cooperative+Learning+Tipe+Student+Team+Achievement+Division+(STAD)+di+SMP+Negeri+3+Banguntapan%2C+Bantul&rft.inst=UNY