I. Yani, S. Budiana, T. Rostikawati, F. S. Sundari, and M. A. K. Umam, “Enhancing Students’ Pollution Problem-Solving Skills Through Problem-Based Learning: The Moderating Role of Mathematical Literacy”, J.Math.Instr.Soc.Res.Opin., vol. 4, no. 2, pp. 347–356, May 2025.