Adam Mahmoud, Dalia Mahmoud, and Tarig Mohamed Saad Alnour. 2016. “Constructional Design for Decontamination of Sputum Specimens for Tuberculosis Culture”. American Scientific Research Journal for Engineering, Technology, and Sciences 17 (1):150-54. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1437.