Yunarto, F., B. Sulistyo, H. Hasanudin, and E. A. Listyowati. “Effects of Azolla Pinnata Compost and Carbonate Lime (CaCO₃) on Soil Chemical Properties, Nitrogen Uptake, and Yield Components of Sweet Corn Grown in Ultisols”. TERRA : Journal of Land Restoration, vol. 8, no. 2, Nov. 2025, pp. 65-70, doi:10.31186/terra.8.2.65-70.