SERAM SPELELOLOGY EXPEDITION 2011 (General Report) 1 July, 2012 by ascyogyakarta · Published 1 July, 2012 · Last modified 18 June, 2015
Compass Cave Data – Membuat Jaringan Sistem Perguaan 14 March, 2013 by ascyogyakarta · Published 14 March, 2013 · Last modified 3 June, 2015
CAVE RESCUE – KAYU ARES CAVE 1996 27 July, 2012 by ascyogyakarta · Published 27 July, 2012 · Last modified 17 June, 2015