You are posted in an aged care unit. You noticed that the incidence of pressure sores among bed$-$bound clients is increasing despite routine position changes and care. In this context,$$you thought of conducting a detailed study to find a solution to this problem. Answer the following questions.

$2\mathrm{.}1)$ List three sources of information that you would use for this study.$$

$2\mathrm{.}2)$ Describe$$the ways$$you will use to ensure the credibility of the resources you will$$use in$$the$$study$?$