Rendy, .-. et al. 2021. Cenozoic Basin History of the Cepu Area Based on Calcareous Nannofossil Biostratigraphy in Eastern Java, Indonesia. International Journal on Advanced Science, Engineering and Information Technology. 11, 5 (Oct. 2021), 2071–2081. DOI:https://doi.org/10.18517/ijaseit.11.5.14225.