Husna, A., Zulkardi, Z., Putri, R. I. I. ., Susanti, E. . and Nusantara, D. S. . (2024) “Hypothetical learning trajectory of linear equation systems with three variables: The context of typical snacks riau islands ”, Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah di Bidang Pendidikan Matematika, 10(1), pp. 12–22. doi: 10.29407/jmen.v10i1.21550.