Nurrizky, Anggif Agistha, et al. “The Effect of Vermicompost Fertilizer and Effective Microorganisms (EM4) on The Growth and Yield of Shallots (Allium Ascalonicum L) Bima Brebes Cultivars”. Devotion : Journal of Research and Community Service, vol. 4, no. 10, Oct. 2023, pp. 2018-25, doi:10.59188/devotion.v4i10.554.