Siagian, Qania Agustika, and Prihatin Ningsih Sagala. “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 : Jurnal Matematika dan Pendidikan Matematika 6, no. 2 (September 9, 2021): 154–174. Accessed August 20, 2022. https://mathline.unwir.ac.id/index.php/Mathline/article/view/222.