García Hilario F, Cruz Morales J, Castro Ramírez AE, Hamilton R. TT, Pacheco Flores C. The crisis of the milpa system: cultural and biological erosion in San Juan de las Nieves, Malinaltepec, Guerrero, Mexico. geografia [Internet]. 2016 Dec. 22 [cited 2024 Jul. 3];(57):113-2. Available from: https://revistas.chapingo.mx/geografia/article/view/r.rga.2016.57.003