Ortega-Dela Cruz, R.A. and Leonardo II, J.O. 2024. Problem-Based Learning on Improving the Problem-Solving Skill, Attitude, and Study Habit in Mathematics . Annales Universitatis Paedagogicae Cracoviensis | Studia ad Didacticam Mathematicae Pertinentia. 16, (Dec. 2024), 43–66. DOI:https://doi.org/10.24917/20809751.16.3.