Ichwan, B., E. Eliyanti, Z. Zulkarnain, S. Susilawati, and I. Permana. “Growth and Yield of Shallots at Various Plant Spacing in Ultisol Dry Land”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, vol. 12, no. 1, Apr. 2023, pp. 27-33, doi:10.36706/jlso.12.1.2023.622.