The American Economic Association's registry for randomized controlled trials
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7 Trials Found
Kaduna, Kano, Jigawa, and Gombe states, northern Nigeria
Kano and Jigawa States
Kano
Kano State
Akwa Ibom, Bauchi, Borno, Kano and Oyo states
Kano and Kaduna
Lagos, Kaduna, Kogi, Cross River, Enugu and Kano states