TY - BOOK T1 - Practical sampling A1 - Henry, Gary T. LA - English PP - Newbury Park PB - Sage Publications YR - 1990 UL - https://tuklas.up.edu.ph/Record/UP-1685523046125144924 OP - 139 NO - Includes bibliographical references (p. 137-138). CN - HA31.2 H46 SN - 0803929587 0803929595 (pbk.) KW - Sampling (Statistics) KW - Social surveys. ER -