Husna A, Zulkardi Z, Putri RII, Susanti E, Nusantara DS. Hypothetical learning trajectory of linear equation systems with three variables: The context of typical snacks riau islands . J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat. [Internet]. 2024May30 [cited 2024Nov.21];10(1):12-. Available from: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/21550