Ngoc Lan, P. T., and T. V. Lung. “Effect of the Inoculation of Phosphate Solubilizing Bacteria on Some Charateristics of the Khang Dan Rice Cultivar”. Academia Journal of Biology, vol. 24, no. 2, Sept. 2015, pp. 51-55, doi:10.15625/0866-7160/v24n2.6940.