K. Chantal, S. Xiaohou, W. Weimu, and B. T. I. Ong'or, “Effects of Effective Microorganisms on Yield and Quality of Vegetable Cabbage Comparatively to Nitrogen and Phosphorus Fertilizers”, Pak. J. Nutr., vol. 9, no. 11, pp. 1039–1042, Oct. 2010, doi: 10.3923/pjn.2010.1039.1042.