Rosidah, Siti, and Fadli Felayani. “Effect Of Heel Effect Anode On Image Homogeneity Based On X-Ray Collimation Light Beam Area”. Jurnal EduHealth 13, no. 01 (September 30, 2022): 400–406. Accessed May 27, 2025. https://ejournal.seaninstitute.or.id/index.php/healt/article/view/502.