Mustikawati, D. R. (2017). Effect of Plant Growth Promoting Rhizobacteria (pgpr) and Liquid Smoke Against Diseases Attacks and Growth of Pepper (Piper nigrum L.). International Journal of Sciences: Basic and Applied Research (IJSBAR), 31(3), 145–155. Retrieved from https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/6883