?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Muhammad+Afif+Taqiyudin%2C+-&rft.aufirst=-&rft.aulast=Muhammad+Afif+Taqiyudin&rft.title=DESAIN+DIDAKTIS+BERDASARKAN+LEARNING+OBSTACLES+PADA+MATERI+TRIGONOMETRI+TERKAIT+KEMAMPUAN+PENALARAN+MATEMATIS&rft.date=16+July+2025&rft.degree=S1&rft.inst=Universitas+Pendidikan+Indonesia