1.Nhung NTH, Thuy NT, Hien NV, Manh NH. The process of preparation and analysis of calcareous nannofossil sample, and application for marine sediments of Soc Trang province. VJMST [Internet]. 2020 Mar. 27 [cited 2026 Jan. 12];19(4):537-44. Available from: https://vjes.vast.vn/jmst/article/view/12676