Nurhaliza, S. ., Ichwan, M. ., Yunus, R. ., Taqwa, E. ., & Sading, Y. . (2026). Income elasticity of food expenditure among urban households in Sulawesi: Evidence from engel’s law. Priviet Social Sciences Journal, 6(2), 512–526. https://doi.org/10.55942/pssj.v6i2.1424