12. USAID. “Tuberculosis and Malaria.” Last updated on 2 February 2017. https://www.usaid.gov/cambodia/tuberculosis-and-malaria
12. USAID, “ជំងឺរបេង និងគ្រុនចាញ់”។ ចូលអានថ្ងៃទី ២១ ខែ ឧសភា ឆ្នាំ ២០១៥។ https://www.usaid.gov/cambodia/tuberculosis-and-malaria