GEOLOGI DAN KARAKTERISASI PERKEMBANGAN SISTEM PERGUAAN DI DAERAH RESORT AKEJIRA DAN TAYAWI, TAMAN NASIONAL AKETAJAWE LOLOBATA, HALMAHERA TENGAH, MALUKU UTARA 22 March, 2018 by ASC-Jogja · Published 22 March, 2018 · Last modified 2 November, 2025
CAVE TOURISM #2 – CERME 26 July, 2012 by ASC-Jogja · Published 26 July, 2012 · Last modified 21 December, 2024
GOMBONG SPELEOLOGY EXPEDITION 2014 : “BUKAN SEKEDAR PENELITIAN HOBI” 1 May, 2015 by ASC-Jogja · Published 1 May, 2015 · Last modified 2 November, 2025