Astiko, W., N. M. L. Ernawati, and I. P. Silawibawa. “The Influence of Planting Density on Maize-Soybean Intercropping Inoculated With Organic Fertilizer”. KnE Life Sciences, Vol. 7, no. 3, June 2022, pp. 567–578, doi:10.18502/kls.v7i3.11162.