Gaya APA
Management of an underground river to overcome water scarcity in the Gunung Sewu Karst Area, Indonesia. (2017).
:
Fakultas Geografi UMS.
Gaya MLA
Management of an underground river to overcome water scarcity in the Gunung Sewu Karst Area, Indonesia.
.
:
Fakultas Geografi UMS,
2017.
Artikel.