Ridho Hadi Nugraha, Anshor Nugroho, and Anisa Nur Istiqomah, “ANALISIS KUALITAS CITRA DIGITAL RADIOGRAPHY ABDOMEN NON-KONTRAS BERDASARKAN NILAI SNR DAN CNR DENGAN TEKNIK PENGOLAHAN CITRA PHYTON”, JIRK, vol. 5, no. 5, pp. 5851–5864, Oct. 2025.