R. B. Depamaylo, L. L. Lallen, J. Torres, S. R. Jinon, and M. Bales, “Ethnomathematical Practices in Brackish Water Fishpond Systems: A Study of Informal Mathematical Reasoning in Buying and Selling Activities”, JETM, vol. 4, no. 3, Aug. 2026, doi: 10.59652/0026jz32.