Thuộc, C. V., N. T. M. Huyền, P. T. Thư, and L. T. Tùng. “SOME NEW DATA ON PHYTOPLANKTON DISTRIBUTION IN THE WESTERN OF TONKIN GULF”. Vietnam Journal of Marine Science and Technology, vol. 12, no. 2, Sept. 2012, pp. 32-46, doi:10.15625/1859-3097/12/2/875.