RAMADANI, Anggun Pramoditha; SURYANINGRUM, Christine Wulandari; FATQURHOHMAN, Fatqurhohman. Analisis kesalahan representasi semiotik siswa SMP dalam menyelesaikan masalah segitiga. Delta-Pi: Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 14, n. 1, p. 105–119, 2025. DOI: 10.33387/dpi.v14i1.9962. Disponível em: https://ejournal.unkhair.ac.id/index.php/deltapi/article/view/9962. Acesso em: 31 mei. 2026.