?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=http%3A%2F%2Frepository.uhamka.ac.id%2Fid%2Feprint%2F20133%2F&rft.title=Surat+Tugas+dan+Sertifikat+Webinar&rft.creator=Mayarni%2C+Mayarni&rft.subject=ZA4450+Databases&rft.publisher=Universitas+Muhammadiyah+Prof.+Dr.+Hamka&rft.type=Other&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=http%3A%2F%2Frepository.uhamka.ac.id%2Fid%2Feprint%2F20133%2F1%2Fsurat%2520tugas%2520dan%2520sertifikat%2520webinar%2520pengabdian.pdf&rft.identifier=++Mayarni%2C+Mayarni+++Surat+Tugas+dan+Sertifikat+Webinar.++Universitas+Muhammadiyah+Prof.+Dr.+Hamka.++++(Unpublished)++