Ullya, S., Alwan Mahsul, & Ramdhani Sucilestari. (2026). Pengembangan Booklet Project Based Learning Terintegrasi QR Code untuk Meningkatkan Literasi Sains Siswa Kelas IV. Walada: Journal of Primary Education, 5(1), 1054–1063. https://doi.org/10.61798/wjpe.v5i1.614