RAMDANI, Dani; IDAMAN, Raina Putri; ALI, Mufti. Fostering 21st-century skills: The effectiveness of Ricosre and digital flipbooks in enhancing student collaboration in biology learning. Biosfer: Jurnal Pendidikan Biologi, [S. l.], v. 18, n. 2, p. 424–436, 2025. DOI: 10.21009/biosferjpb.59320. Disponível em: https://journal.unj.ac.id/unj/index.php/biosfer/article/view/59320. Acesso em: 23 may. 2026.