Suwanik, Romsai, Siriporn Chongchirasiri, Rudee Pleehachinda, Chaveevan Pattanachak, Supongse Pattanachak, Taworn Jaipetch, Napaporn Tojinda, Nujaree Putrasreni, Chulaluk Komoltri, and Ian Buttfield. 2020. “Rapid Detection of Iodine in Iodised Salt and Iodised Water Essential in a Program of Iodine Deficiency Disorders Control”. Siriraj Medical Journal 53 (10):721-28. https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245111.