Rachman, R. S., and W. Winantris. “The Significance Relationship Between Palynomorph Fossil Preservation and Grain Size in Rock: Case Study of Walat and Batuasih Formations, Sukabumi, West Java”. JURNAL GEOCELEBES, vol. 7, no. 1, Jan. 2023, pp. 17–28, doi:10.20956/geocelebes.v7i1.22746.