https://www.sastep.org.za/wp-content/uploads/2020/08/horisontal-sastep-2-1030x187.jpg00adminhttps://www.sastep.org.za/wp-content/uploads/2020/08/horisontal-sastep-2-1030x187.jpgadmin2020-11-11 00:44:212020-11-11 01:00:42Testing of a Social Entrepreneurship Business Model for Pit Latrine Emptying using the PITVAQ (previously known as the eVac)
