ecological sanitation: principles - PowerPoint PPT Presentation

1 / 17
} ?>
View by Category
About This Presentation
Title:

ecological sanitation: principles

Description:

Deutsche Gesellschaft f r Technische Zusammenarbeit (GTZ) GmbH. ecological sanitation program, Division 44 ... Severe water pollution, unbearable health risks ... – PowerPoint PPT presentation

Number of Views:1803
Avg rating:3.0/5.0
Slides: 18
Provided by: christi472
Category:

less

Write a Comment
User Comments (0)
About PowerShow.com