?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Astuti&rft.au=Dwi%2C+Astuti&rft.aulast=Dwi&rft.issn=978-602-96172-6-9&rft.atitle=COMPARISON+OF+THE+EFFECTIVENESS+OF+CONSTRUCTIVISM+AND+CONVENTIONAL+LEARNING+KIT+OF+MATHEMATICS+VIEWED+FROM+ACHIEVEMENT+AND+SELF+CONFIDENCE+OF+STUDENTS+IN+VOCATIONAL+HIGH+SCHOOL+(AN+EXPERIMENTAL+STUDY+IN+YEAR+XI+OF+SMK+MUHAMMADIYAH+2+YOGYAKARTA)&rft.title=Seminar+Nasional+dan+Temu+Alumni+%22Peran+Pendidikan+dalam+Pembangunan+Karakter+Bangsa%22&rft.date=2014&rft.genre=article