?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Hilda&rft.aulast=Susanti&rft.au=Susanti%2C+Hilda&rft.inst=Universitas+Negeri+Padang&rft.title=Analisis+Kegiatan+Belajar+Kimia+pada+Materi+Pokok+Larutan+Penyangga+di+Kelas+XI+IA+SMA+Negeri+1+Parimanan.&rft.degree=Masters%2FTesis&rft.date=16+February+2012