CHOIRIAH, Siti Umiyatun; PRASETYADI, Carolus; KAPID, Rubiyanto; YUDIANTORO, Dwi Fitri. Nannofossil Distribution and Age of Kendeng Zone In Kalibeng River Section of Kedungringin, Plandaan Area, Jombang, East Java. Indonesian Journal on Geoscience, [S. l.], v. 7, n. 1, p. 15–24, 2020. DOI: 10.17014/ijog.7.1.15-24. Disponível em: https://ijog.geologi.esdm.go.id/index.php/IJOG/article/view/365. Acesso em: 8 jun. 2025.