Borda-Molina, D., Pardo-García, J. M., Montaña-Lara, J. S., & Martínez-Salgado, M. M. (2011). Influence of organic matter and Azotobacter nigricans on a Stevia rebaudiana B. plantation. Universitas Scientiarum, 16(3), 282–293. https://doi.org/10.11144/javeriana.SC16-3.ioom