“Biostratigraphy and Paleodepositional Environment of the Temburong Formation at Batu Luang, Klias Peninsula, Sabah Based on Calcareous Nannofossil”. Journal of Tropical Resources and Sustainable Science (JTRSS) , vol. 10, no. 1, June 2022, pp. 20-27, https://doi.org/10.47253/jtrss.v10i1.894.