“Improving the Quality of X-Ray Images of the Lungs of COVID-19 and Healthy Patients Using the Contrast Limited Adaptive Histogram Equalization (CLAHE) Method in Batam”, J. Electr. Eng. Comput. Sci., vol. 10, no. 1, pp. 19–30, Jun. 2025, doi: 10.54732/jeecs.v10i1.3.