ULFI, D.; HIDAYATI, N. Need Analysis Profile of Pop-up Book Development for Junior High School Students. NATURA: JURNAL ILMU ALAM DAN SOSIAL, [S. l.], v. 1, n. 1, p. 1–6, 2025. Disponível em: https://jsss.lombokinstitute.com/index.php/natura/article/view/1. Acesso em: 21 jun. 2026.