Ramos Veintimilla , R. A., Vera Vélez, R., Grijalva Olmedo, J. E. and Ramos Veintimilla, M. R. (2022) “Soil Carbon in secondary forest and grass”, ConcienciaDigital, 5(3.2), pp. 91-106. doi: 10.33262/concienciadigital.v5i3.2.2322.