The American Economic Association's registry for randomized controlled trials
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34 Trials Found
Oromia
Amhara, Oromia
Oromia and Sidama
Oromia Region
Amhara, Tigray, Oromia, and Southern National, Nationalities, and Peoples (SNNP) regional States
Amhara
Amhara; Oromia; Afar