📕 TB.3.03 - Improved trench latrines.

   **[<https://app.box.com/s/tvtsrdia7ep8ekzi65wd8vm6iogbwe3m>](<https://app.box.com/s/tvtsrdia7ep8ekzi65wd8vm6iogbwe3m>)**

https://app.box.com/s/tvtsrdia7ep8ekzi65wd8vm6iogbwe3m

Source : MSF - Public health engineering in precarious situations.