?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Muhamad&rft.aulast=Yusup&rft.au=Yusup%2C+Muhamad&rft.date=26+October+2021&rft.inst=Universitas+Muhammadiyah+Prof.+Dr.+HAMKA&rft.title=Perancangan+Prototype+3d+Printing+Menggunakan+Conveyor+Belt&rft.degree=Bachelor