JATISUNDA, Mohamad Gilar; UTAMI, Wulan Putri. Emergence of School Students’ Mathematical Proof Activities in Geometric Sequence Learning: A Theory of Didactical Situations Perspective. Jurnal THEOREMS (The Original Research of Mathematics), [S. l.], v. 11, n. 2, p. 152–171, 2026. DOI: 10.31949/th.v11i2.18282. Disponível em: https://www.ejournal.unma.ac.id/index.php/th/article/view/18282. Acesso em: 19 jun. 2026.