ADHITYA, Yusuf; PUTRI, Nurmala Setianing; BUSTAREN, Bill Chairy Rizki. Using Digital Pythagorean Tangram to Enhance Mathematical Justification Skills of Prospective Mathematics Teachers. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, [S. l.], v. 5, n. 4, p. 1699–1710, 2025. DOI: 10.51574/kognitif.v5i4.4020. Disponível em: https://etdci.org/journal/kognitif/article/view/4020. Acesso em: 9 jan. 2026.