Ken Rio Agizki, Regiolina Hayami, and Harun Mukhtar. 2020. “Penerapan Quick Response (QR) Code Berbasis Web Di Puskesmas Payung Sekaki Pekanbaru”. Jurnal CoSciTech (Computer Science and Information Technology) 1 (1), 1-7. https://doi.org/10.37859/coscitech.v1i1.1795.