Vuong, Nguyen, AND 		Hoai, Luong.
" Major and Trace Elements Geochemistry of Dong Ho Sediments (Quang Ninh, Viet Nam): Imlication  for Paleoenvironmental Condition" <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], Volume 34 Number 2 (21 June 2018)