Nhuong, Do, 		Hai, Tran, 		Nga, Nguyen, AND 		Hau, Tran.
" Benthic Community and Assessment of Water Quality  Using Biological Index in RAMSAR, Ninh Binh" <em>VNU Journal of Science: Natural Sciences and Technology</em> [Online], Volume 37 Number 4 (6 August 2021)