Herlambang, S. B., D. S. Nusantara, and F. T. Pasaribu. “Portrait of Junior High School Students’ Statistical Literacy through PISA on Uncertainty and Data Content”. Jurnal Pendidikan Matematika Universitas Lampung, vol. 13, no. 4, Dec. 2025, pp. 217-28, doi:10.23960/mtk/v13i4.pp217-228.