Development of a Diagnose-and-Solve Problem for an Aerospace Engineering Classroom: A Design Case in Operationalizing Jonassen’s Design Theory of Problem Solving . IJEMST [Internet]. 2026 Mar. 1 [cited 2026 Mar. 3];14(2):477-98. Available from: https://ijemst.com/index.php/ijemst/article/view/5329