Toha, Budianto. 2021. “Foraminiferal Biostratigraphy of the Caversham Formation and Its Implication for Stratigraphy and Sedimentation Study, Northeast Otago, New Zealand”. Berita Sedimentologi 16 (1):2-13, 31. https://doi.org/10.51835/bsed.2001.16.1.239.