implemented by Oromia Regional State Transport Bureau. Interrupted time series design is an alternative approach used to evaluatetheeffects of any intervention,when randomized control trial sareinfeasible or identification of acontrol groupimpractical
implemented by Oromia Regional State Transport Bureau.Interrupted time series design is an alternative approachused to evaluatetheeffects of any intervention,when randomized control trial sareinfeasible or identification of acontrol groupimpractical