The American Economic Association's registry for randomized controlled trials
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163 Trials Found
North
South Yorkshire
North (Gaibandha)
North (Kurigram)
north
North Rhine Westphalia (NRW)
North Rhine-Westphalia
North-Holland
, Wakiso, Mityana), East (Bugiri, Mbale, Jinja, Kaliro), North (Gulu, Lira, Arua)