<prompt> Translate the following text to SwahiliHowever, applying the case study methods of research to evaluation requires dealing with matters of control, power, and responsibility that were less visible in the work of  <response>: Hata hivyo, kutumia njia ya utafiti wa kesi kwa tathmini inahitaji kushughulika na masuala ya udhibiti, nguvu, na wajibu ambayo walikuwa chini ya kuonekana katika kazi ya 