Fatmah Siregar, Adha, et al. “Beneficial Effect of Silicon Application and Intermittent Irrigation on Improving Rice Productivity in Indonesia”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy), vol. 48, no. 1, Apr. 2020, pp. 15-21, https://doi.org/10.24831/jai.v48i1.29378.