<prompt> Translate the following text to SwahiliWe used three sources of alternative C-R functions for this sensitivity 1 an alternative specification of the PopeACS model from Krewski, et al.  <response>: Kwa mfano, kuna njia tatu za kuamua kiwango cha C-R kwa ajili ya kipimo cha C-R: mfano wa Pope na ACS Krewski et al. 