Twin-pit latrine 3 Glenda McMahon Rod Shaw 10.17028/rd.lboro.7957571.v1 https://repository.lboro.ac.uk/articles/figure/Twin-pit_latrine_3/7957571 Twin-pit latrine 3 2019-05-02 11:47:27 WEDC Twin pit latrines Latrines Technical Diagram International and Development Communication