Wahyuni BD, Maryani M, Sukarno S. Students’ Mathematical Thinking in Non-routine Mathematical Problems. i-jossssh [Internet]. 2023 Jan. 28 [cited 2025 Jul. 1];1(1):1-24. Available from: https://ejournal.periexca.org/index.php/i-jossssh/article/view/article_view_01