Merkliste 
 1 Ergebnisse 
 
1

Geotourism on XIII Koto Kampar: an Approach for Sustainable..:

Suryadi, Adi ; Choanji, Tiggi ; Yuskar, Yuniarti...
Journal of Geoscience, Engineering, Environment, and Technology.  4 (2019)  4 - p. 257-262 , 2019