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 2024 Nov. 22];19(4):537-44. Available from: https://vjs.ac.vn/index.php/jmst/article/view/12676