Simple random sampling of individual items in the absence of a sampling frame that lists the individuals
Crossref DOI link: https://doi.org/10.1186/s40490-016-0071-1
Published Online: 2016-08-21
Published Print: 2016-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
West, P. W.
License valid from 2016-08-21