?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Erwinda&rft.aulast=Erwinda&rft.au=Erwinda%2C+Erwinda&rft.inst=Universitas+Negeri+Padang&rft.title=Pembinaan+Ekstrakurikuler+Olahraga+Bridge+Di+SD+N+107+Muara+Bungo&rft.degree=Bachelor%2FSkripsi&rft.date=February+2009