Ilahiya KN, Muhammad Fajrusshodiq, Delta Dealova, Fatkhur Rokhman. Designing a Simple QR Code Based Digital Traceability System for Halal Product Transparency. j. of artif. intell. and eng. appl. [Internet]. 2026 Jun. 22 [cited 2026 Jul. 6];5(3):4646-53. Available from: https://ioinformatic.org/index.php/JAIEA/article/view/2389