机译:社区成本有效性LED埃塞俄比亚和加纳的总卫生
Univ Washington Dept Global Hlth 325 9th Ave Box 359931 Seattle WA 98104 USA;
Univ South Carolina Sch Earth Ocean & Environm 4 Columbia SC 29208 USA;
Univ N Carolina Dept Environm Sci & Engn Chapel Hill NC 27515 USA|Univ Leeds Leeds W Yorkshire England;
CLTS; Sanitation; Open defecation; Cost efficiency; Cost effectiveness; Economic;