N. K. Nghĩa and N. T. K. Oanh, “Selecion of carrier material and substrate for biofertilizer by-product containing three halophilic plant growth promoting bacteria (Burkholderia cepacia BL1-10, Bacillus megaterium ST2-9 and Bacillus aquimaris KG6-3)”, Vietnam J. Biotechnol., vol. 15, no. 2, pp. 381–392, Apr. 2018.