Vargas, Espitia Adolfo, Guataquira Sarmiento Nataly, Andrea, Àlvarez Quintero, Christian Daniel and Rugeles Joya Willmar, Ricardo (2018) Integration of methodologies through an academic toolkit for the design of products services systems for sustainability: -SPSS- in Colombian contexts. In: Proceedings of RSD7, Relating Systems Thinking and Design 7, 23-26 Oct 2018, Turin, Italy.