Rieuwpassa, L. C. “Planktonic and Benthic Foraminifera Miocene on Sandstone Unit of Bentang Formation in Pangandaran, West Java”. Proceedings of the International Conference of Geological Engineering Faculty, vol. 1, no. 1, Aug. 2021, pp. 46-54, https://tiikmpublishing.com/proceedings/index.php/icgef/article/view/755.