Tittonell, P. . “Agroecological Transitions: Multiple Scales, Levels and Challenges”. Revista De La Facultad De Ciencias Agrarias Uncuyo, vol. 51, no. 1, June 2019, pp. 231-46, https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/2448.