1.
Novaliyosi N, Tola B, Rahayu W. TRENDS OF MATHEMATICAL LOGICAL THINKING ABILITYTHROUGH THE CRA (CONCRETE-REPRESENTATIONAL-ABSTRACT) APPROACHWITH PORTFOLIO ASSESSMENT. IJER [Internet]. 2020 Jan. 30 [cited 2024 Dec. 4];6(2). Available from: https://journal.unj.ac.id/unj/index.php/ijer/article/view/14077