Lestari, Dewi Puji, et al. “Training on Cow Manure Liquid Organic Fertilizer Processing and Application on Green Spinach Plants in Alue Ambang Village”. ABDIMAS: Jurnal Pengabdian Masyarakat, vol. 5, no. 1, Apr. 2022, pp. 1848-55, doi:10.35568/abdimas.v5i1.1870.