[1]
Choiriah, S.U. et al. 2020. Nannofossil Distribution and Age of Kendeng Zone In Kalibeng River Section of Kedungringin, Plandaan Area, Jombang, East Java. Indonesian Journal on Geoscience. 7, 1 (Jan. 2020), 15–24. DOI:https://doi.org/10.17014/ijog.7.1.15-24.