Sulistyono, A., Putri, K. A., & S., D. P. (2023). Effect of Liquid Organic Fertilizer Type and Concentration on the Growth and Production of Purple Eggplant (Solanum melongena L.). Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering), 12(4), 997–1009. https://doi.org/10.23960/jtep-l.v12i4.997-1009