Green Surabaya Has Cleaned Up Its Act
The Jakarta Globe, September 6, 2011
https://jakartaglobe.id/context/green-surabaya-has-cleaned-up-its-act/
Escape Explore Express
The Jakarta Globe, September 6, 2011
https://jakartaglobe.id/context/green-surabaya-has-cleaned-up-its-act/