Saputri, A.E. , Djarwatiningsih and Guniarti 2022. Effect of PGPR and Cow Manure on Growth and Yield of Purple Eggplant (Solanum melongena L.). Nusantara Science and Technology Proceedings. (Mar. 2022), 40-48. DOI:https://doi.org/10.11594/nstp.2022.2006.