Ngindi, R. A. D., I Gusti Bagus Udayana, and Yohanes Parlindungan Situmeang. “The Effect of Compost and Biochar Fertilizers on The Growth and Yield of Shallots”. Agriwar Journal , Vol. 2, no. 2, Dec. 2022, pp. 37-43, doi:10.22225/aj.2.2.2022.37-43.