Mamani, E., Acosta, M., & Gonzales, M. (2019). Effect of the applications of a biological formulation (Azotobacter salinestris, Bacillus amyloliquefaciens, Rhizophagus intraradices) on the yield of Allium cepa ‘Century’. Peruvian Journal of Agronomy, 3(3), 81-90. https://doi.org/10.21704/pja.v3i3.1339