Badillo-Piña, Isaias, Ricardo Tejeida-Padilla, and Oswaldo Morales-Matamoros. 2011. “TOWARD A SYSTEMS SCIENCE STRUCTURE”. Proceedings of the 55th Annual Meeting of the ISSS - 2011, Hull, UK 55 (1). https://journals.isss.org/index.php/proceedings55th/article/view/1590.