Media type: E-Article Title: Malmquist Index and Technological Change in theInternational Freight Road Transport System Contributor: Zamora Torres, América Ivonne Published: Universidad Autonoma Metropolitana, 2020 Published in: Economía teoría y práctica, 28 (2020) 53, Seite 97-120 Language: Not determined DOI: 10.24275/etypuam/ne/532020/zamora ISSN: 0188-3380; 2448-7481 Keywords: General Medicine Origination: Footnote: Access State: Open Access