TY - BOOK T1 - A report on the project: a study of some non-sampling errors in sample surveys. A2 - Parel, Cristina P. LA - English PP - Diliman PB - University of the Philippines YR - 1967 UL - https://tuklas.up.edu.ph/Record/UP-99796217602189771 NO - Thesis} CN - QA 2276.5 P55 KW - Sampling (Statistics) ER -