Priatmoko, Sigit, Devi Eva Yanti, Firda Nur Urifah, & Alfina Rusydiana Putri. " Development and Effectiveness of QR Code-Assisted Pop-Up Books to Improve Elementary School Students' Conceptual Understanding." Proceeding of International Conference on Islamic Education (ICIED) [Online], 10.1 (2025): 416-424. Web. 3 Feb. 2026