Joko Suprayitno I, Aziz A. Calculus Problem Solving: A Review of Krulick and Rudnick’s Theory for First Year Engineering Students. Edusciencetech [Internet]. 2026 Feb. 19 [cited 2026 Mar. 14];3(1):367-75. Available from: http://103.97.100.158/index.php/edusciencetech/article/view/1057