Ajizah, Rahmi, Karim Karim, dan Yuni Suryaningsih. “Development of Higher Order Thinking Skills Based Math Problems With Wetland Contexts for Junior High School Students”. Math Didactic: Jurnal Pendidikan Matematika 9, no. 1 (April 11, 2023): 134-145. Diakses Agustus 2, 2025. https://jurnal.stkipbjm.ac.id/index.php/math/article/view/2030.