Ibrahim I, Kuswidi I, Arfinanti N. Development of a Guide to Preparation of Mathematics Questions Based on Higher Order Thinking Skills and Strengthening Character Education for Middle School Teachers. JFOURIER [Internet]. 2020 Apr. 30 [cited 2024 Apr. 26];9(1):35-42. Available from: http://fourier.or.id/index.php/FOURIER/article/view/101