“The Effect of Application of Bacillus sp. and Azotobacter sp. as Plant Growth Promoter Rhizobacteria on Productivity and Yield Quality of Sweet Corn (Zea mays sacharata L.)”, J Hort Indonesia, vol. 13, no. 1, pp. 43–48, Apr. 2022, doi: 10.29244/jhi.13.1.43-48.