Izzati NN, Dewi NR. Development of STEAM-Based Mathematics Teaching Materials on Direct and Inverse Proportion to Improve Mathematical Problem-Solving Ability and Self Regulated Learning. UJME [Internet]. 16May2023 [cited 22Nov.2024];12(1):51-9. Available from: https://journal.unnes.ac.id/sju/ujme/article/view/68735