?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Hasibuan%2C+Fathanah+Fahzi&rft.aulast=Hasibuan&rft.aufirst=Fathanah+Fahzi&rft.title=Pengembangan+E-LKPD+Berbasis+Problem+Based+Learning+(PBL)+pada+Materi+Sistem+Pencernaan+Makanan+di+SMAN+1+2x11+Enam+Lingkung&rft.inst=Universitas+Negeri+padang&rft.date=April+2026&rft.degree=Bachelor%2FSkripsi