?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aulast=Prasetyo&rft.au=Prasetyo%2C+Nunung&rft.aufirst=Nunung&rft.inst=Institut+Teknologi+Nasional+Yogyakarta&rft.title=Perancangan+sistem+keamanan+kamar+kos+berbasis+telegram&rft.date=27+July+2023&rft.degree=Other