Mamluaturrahmatika, Annisa, and Suwardi Suwardi. “Enhancing Problem-Solving Ability and Written Communication Skills through Ethnochemistry-Integrated Problem-Based Learning”. Jurnal Pendidikan Matematika Dan Sains, vol. 14, no. 1, Jan. 2026, pp. 46-58, doi:10.21831/jpms.v14i1.87375.