HAIKAL, FICKRY (2026) Penentuan Nilai Cardiothoracic Ratio (CTR) dan Kontras Citra Hasil Pemeriksaan Radiografi Toraks dengan Variasi Focus Film Distance (FFD) =Determination of Cardiothoracic Ratio (CTR) and Image Contrast in Chest Radiographs Using Variations in Focus-Film Distance (FFD). Skripsi thesis, universitas hasanuddin.