Rizar, F. F., M. Fitriana, and T. Achadi. “Growth and Yield of Spinach (Amaranthus Tricolor L.) Using Various Compositions of Planting Media”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands, vol. 12, no. 1, Apr. 2023, pp. 42-51, doi:10.36706/jlso.12.1.2023.585.