The newest questionnaire made use of a stratified, multistage cluster sample construction produced from the new census tracts created for brand new 2002 census In addition, local some one, which essentially talk a district Mayan code as their mommy language, can get deal with code traps at health care facilities, that can easily be staffed… ادامه خواندن The newest questionnaire made use of a stratified, multistage cluster sample construction produced from the new census tracts created for brand new 2002 census