Barus, W.A. et al. 2018. Effect of Azolla Bocachi and Liquid Organic Fertilizer of Goat Manure on the Growth and Production of Chinese Kale (Brassica oleracea L.). Indonesian Journal of Agricultural Research. 1, 1 (Mar. 2018), 78–86. DOI:https://doi.org/10.32734/injar.v1i1.172.