Nurhaliza, S. ., M. . Ichwan, R. . Yunus, E. . Taqwa, and Y. . Sading. “Income Elasticity of Food Expenditure Among Urban Households in Sulawesi: Evidence from engel’s Law”. Priviet Social Sciences Journal, vol. 6, no. 2, Feb. 2026, pp. 512-26, doi:10.55942/pssj.v6i2.1424.