Kuswoyo, A., et al. “Morphology, Biomass, and Forage Quality of Sorghum Bicolor Cv. Bioguma-2 Treated With Soil Ameliorants on Post-Coal Mining Land”. Tropical Animal Science Journal, vol. 48, no. 6, Oct. 2025, pp. 545-5, https://doi.org/10.5398/tasj.2025.48.6.545.