Phan Giang Long, Hoang Ngoc Dang, and Pham Xuan Anh. 2017. “Paleoenvironment and Facies Characteristics of Miocene Sequences in Bach Long Vi Area”. Petrovietnam Journal 12 (December), 23 - 28. https://doi.org/10.25073/petrovietnam journal.v12i0.216.