Sakarti, Hanuri, and Dian Rahmawati. “Development of an Instrument to Measure Problem Solving and Numeracy Literacy Based on Ethnomathematics”. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, vol. 6, no. 1, Mar. 2026, pp. 314-25, doi:10.51574/kognitif.v6i1.4738.