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Wang, C. T. & Tsi, K. N. (n.d.). Effects of Nitrogen, Phosphate and Potassium Fertilizers on Job's Tears (Coix lacryma-jobi L.). Retrieved from http://tao.wordpedia.com/show_pdf.ashx?sess=1sp4vh4500xz2fvog4jlxd55&file_name=JO00001455_20_3-11&file_type=r