@inproceedings{ Cobo_Perri_RUEDA,
author = { Beatriz Cobo Rodríguez and Pier Francesco Perri and MARÍA DEL MAR RUEDA GARCÍA } ,
title = { Multiple sensitive estimation and optimal simple allocation in the item sum technique },
booktitle = { 7th Conference of the European Survey Research Association },
year = { 2017 },
pages = { None - None },
location = { Universidad de Lisboa, Portugal },
}