Turnip, M. D., F. T. . Pasaribu, and D. S. . Nusantara. “Exploration of students’ Errors in Solving PISA Problems on the Uncertainty and Data Content”. Eureka: Journal of Educational Research, vol. 4, no. 1, Dec. 2025, pp. 85-93, doi:10.56773/ejer.v4i1.93.