7 LANGKAH JITU OVERLAY PETA GUA KE PROGRAM GIS 24 July, 2012 by ASC-Jogja · Published 24 July, 2012 · Last modified 21 December, 2024
Buku Stasiun Nol Edisi 2 | Teknik Pemetaan dan Survey Hidrologi Gua 14 December, 2024 by ASC-Jogja · Published 14 December, 2024 · Last modified 2 November, 2025
1st Survey Speleology Expedition – Alas Purwo National Park 7 June, 2012 by ASC-Jogja · Published 7 June, 2012 · Last modified 21 December, 2024