Daniel, Johnnie. Sampling essentials : practical guidelines for making sampling choices / Johnnie Daniel. - Los Angeles : Sage Publications, c2012. - xxiii, 291 p. : ill. ; 24 cm. ISBN: 9781412952217 (pbk. : acidfree paper) Subjects--Topical Terms: Sampling (Statistics)--Research Dewey Class. No.: 001.43 / DAN P11S