Patri Janson Silaban, Dewi Anzelina, Regina Sipayung, Rumiris Lumban Gaol, Dyan Wulan Sari HS, Juliana. Development of CAT-based student worksheets to improve basic students ’mathematical understanding abilities. Elementary Education Online [Internet]. 2021 Mar. 15 [cited 2025 Jan. 15];20(1):1062-70. Available from: https://ilkogretim-online.org/index.php/pub/article/view/3603