Khairyzal, Khairyzal, and Cahyo Prianto. 2026. “Web-Based Qr-Code System In The Library Data Processing Process At State Senior High School 1 Bangkinang City”. JURNAL TEKNOLOGI DAN OPEN SOURCE 9 (1), 453 -64. https://doi.org/10.36378/jtos.v9i1.5316.