Gibran, Akhmad Khahlil, Gentur Waluyo, Mr, & Maulidiah Maulidiah. " Lower-Middle Miocene Biostratigraphy of the Siliciclastic Rambatan Formation, North Serayu Basin." Proceeding ICMA-SURE [Online], (2024): 331-339. Web. 29 Aug. 2025