No. 21 (2019): Sociedad y Ambiente 21
Society and Environment, year 8, No. 21, november 2019-february 2020, is a four-monthly publication edited by El Colegio de la Frontera Sur (ECOSUR), with registered address at Carretera Panamericana y Periférico Sur s / n, Barrio de María Auxiliadora, CP 29290, San Cristóbal de Las Casas, Chiapas, Tel. (967) 674 9000 Fax: (967) 674 9021, www.ecosur.mx. Director: Esperanza Tuñón Pablos. Reservation of Rights to Exclusive Use No. 04-2013-041211390800-203. ISSN: 2007-6576, both granted by the National Copyright Institute. Responsible for the latest update: Leonardo Toledo Garibaldi. Date of last update: november 2019.
Cover photo: "Huacales # 21", by Leonardo Toledo
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