Siagian QA, Sagala PN. Development Of Test Instruments To Measure High Order Thinking Skill (Hots) Mathematics Of Students In MTs 2 State Of Medan City: Pengembangan Instrumen Tes Untuk Mengukur High Order Thinking Skill (HOTS) Matematis Siswa Mtsn 2 Kota Medan. Mathline [Internet]. 2021 Sep. 9 [cited 2025 Apr. 23];6(2):154-7. Available from: https://mathline.unwir.ac.id/index.php/Mathline/article/view/222