Widodo S, Katminingsih Y, Nurwiani N. Development of hots mathematic problems (higher order thinking skills) Based on Crulic & Rudnick Taxonomy. J. Math Educ. Nusant. Wahana Publ. Karya Tulis Ilm. di Bid. Pendidik. Mat. [Internet]. 2021May29 [cited 2024Nov.22];7(1):48-3. Available from: https://ojs.unpkediri.ac.id/index.php/matematika/article/view/15895