Ainun, Y., Sridana, N., Kurniati, N., & Sarjana, K. (2024). Analisis Epistemological Obstacle Berdasarkan Kesalahan Menyelesaikan Soal Matematika Materi Segitiga . Mandalika Mathematics and Educations Journal, 6(1), 26–37. https://doi.org/10.29303/jm.v6i1.6650