1 Subjects: “..., Microcredit, Political economy, Qualitative methods, Randomized controlled trials, Sanitation...”

2 Subjects: “...qualitative methods...”

3 Subjects: “...qualitative methods...”

4 Subjects: “...qualitative methods...”

5 Subjects: “...qualitative methods...”

6 Subjects: “...qualitative methods...”

7 Subjects: “...qualitative methods...”

8 Subjects: “...qualitative method...”