Lobo, Maria Stella Castro, and Marcos Pereira Estellita Lins. 2017. “Towards Systems Thinking: Strengthening the Bonds Between Operations Research (OR) and Health Services Planning & Epidemiology”. Proceedings of the 59th Annual Meeting of the ISSS - 2015 Berlin, Germany 1 (1). https://journals.isss.org/index.php/proceedings59th/article/view/2424.