Bayu Suparta, G, M Famelia Cerly, and A Christian Louk. “South Sea Pearl Shell Quality Inspection Using X–Ray Digital Radiography”. KnE Life Sciences 4, no. 11 (March 10, 2019): 166–173. Accessed April 19, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/3862.