M. Purwanto

Petrography and geochemistry of structural limestones in the Pringkuku Karst area, Pacitan, East Java

Sunardi, A. Widodo, A. S. Bahri, 2020 .

Investigation of landslides and floods utilizing a geographic information system (A case study: Trenggalek Regency, East Java)

A. Widodo, M. Purwanto, A. Putri, 2021 .

Identification of underground river with microtremor method in Dersono karst area, Pacitan

Sunardi, A. Widodo, M. Fajar, 2021 .

Principal Component Analysis-Based Data Clustering for Labeling of Level Damage Sector in Post-Natural Disasters

Yunifa Miftachul Arif, M. A. Hariyadi, M. A. Muslim, 2023, IEEE Access.

Controlling factors of underground river system of karst region in Pacitan Regency, East Java

M. Fajar, W. Utama, A. Hilyah, 2019, IOP Conference Series: Earth and Environmental Science.