KAWENGIAN, Stefany Tirsa; MONOARFA, Jorry Ferry; MANURUNG, Ontang. Analisis Kesalahan Siswa Dalam Menyelesaikan Soal Cerita Segitiga Menurut Tahapan Kastolan. J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 3, n. 5, p. 5276–5289, 2024. DOI: 10.56799/jceki.v3i5.5087. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/5087. Acesso em: 10 aug. 2026.