Seminar Nasional Pemodelan Survey Kawasan Karst 13 February, 2016 by ascyogyakarta · Published 13 February, 2016
KARST IN SUKOLILO 5 June, 2012 by ascyogyakarta · Published 5 June, 2012 · Last modified 22 June, 2015
Speleology Goes School 9 January, 2017 by ascyogyakarta · Published 9 January, 2017 · Last modified 10 January, 2017