Suminarti, Nur Edy, et al. “Increasing the Growth and Yield of Eggplant (Solanum Melongena L.) Plants by Applying Chicken Manure and PGPR (Plant Growth Promoting Rhizobacteria) on Ultisols.” International Journal of Environment, Agriculture and Biotechnology, vol. 10, no. 1, 2025, pp. 120–33. Crossref, https://doi.org/10.22161/ijeab.101.15.