PRAYOGO, Muhammad Suwignyo; NOFIYANTI, Maya. Development and Preliminary Evaluation of QR-Linked Visual Cards for Teaching Animal Organ Systems in Sixth-Grade Science. Journal of Integrated Elementary Education, [S. l.], v. 6, n. 2, p. 544–560, 2026. DOI: 10.21580/jieed.v6i2.31069. Disponível em: https://journal.walisongo.ac.id/index.php/jieed/article/view/31069. Acesso em: 23 oct. 2026.