RAMADHANI, Dea Putri; MELLISA. Simple Yet Effective Learning Media: Flashcard for the Circulatory System. Perspektif Pendidikan dan Keguruan, Pekanbaru, Riau, Indonesia, v. 16, n. 2, p. 174–191, 2025. DOI: 10.25299/perspektif.2025.vol16(2).24764. Disponível em: https://journal.uir.ac.id/index.php/Perspektif/article/view/24764. Acesso em: 4 jun. 2026.