Widodo, S., Katminingsih, Y. ., & Nurwiani, N. (2021). Development of hots mathematic problems (higher order thinking skills) Based on Crulic & Rudnick Taxonomy. Jurnal Math Educator Nusantara: Wahana Publikasi Karya Tulis Ilmiah Di Bidang Pendidikan Matematika, 7(1), 48–63. https://doi.org/10.29407/jmen.v7i1.15895