?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Silvia&rft.aulast=Herwanti&rft.au=Herwanti%2C+Silvia&rft.inst=Universitas+Negeri+Padang&rft.title=The+Effectiviness+of+Group+Counseling+Services+in+Improving+Students%E2%80%99+Understanding+of+Learning+Skill+to+Face+the+Exam%3A+Experiment+Studi+at+SMA+Islam+As-Shofa+Pekanbaru&rft.degree=Masters%2FTesis&rft.date=2009