Wirahadikesuma, Ikhwan, Koekoeh Santoso, Hera Maheshwari, and Akhiruddin Maddu. “Determining Image Opacity in Broiler Respiratory Radiographic Using ImageJ and Ansel Adam’s Zone System”. Jurnal Riset Veteriner Indonesia (Journal of The Indonesian Veterinary Research) 4, no. 1 (March 2, 2020). Accessed March 28, 2024. https://journal.unhas.ac.id/index.php/jrvi/article/view/8431.