DATA ANGGOTA ASC 1984 – 2013 (ASC MEMBER) 17 February, 2013 by ascyogyakarta · Published 17 February, 2013 · Last modified 13 July, 2015
DIKLAT SPELEOLOGI ASC 2015 22 July, 2015 by ascyogyakarta · Published 22 July, 2015 · Last modified 13 February, 2016
Analisa Risiko Penelusuran Gua dalam Kasus Banjir Permukaan 21 May, 2013 by ascyogyakarta · Published 21 May, 2013 · Last modified 3 June, 2015