Peña, Enrique, and Carlos Fontes. “Unsolicited Online Data on Twitter and Decision-Making in Public Policies on the Use of Psychoactive Substances in Colombia”. Cultura y Droga 26, no. 32 (July 1, 2021): 213–233. Accessed May 18, 2024. https://ucaldas.metarevistas.org/index.php/culturaydroga/article/view/6835.