Rahma Nadisa, V., Aji Bagus Widyantara, and Wahid Syamsul Hadi. “Quality Control Analysis of Glucose and Cholesterol Testing Using Levey-Jenning’s Chart At X Hospital Yogyakarta”. Jurnal Kesehatan Cendikia Jenius , Vol. 2, no. 3, Aug. 2025, pp. 238-43, doi:10.70920/jenius.v2i3.225.