Pérez Morales V, Vélez Salas D del M, Rivas Rodríguez FJ, Vélez Salas MA. Evolution of Extortion in Mexico : a Regional Statistical Analysis (2012-2013). RMOP [Internet]. 2015 Jan. 9 [cited 2024 May 18];(18):113-35. Available from: https://revistas.unam.mx/index.php/rmop/article/view/45424