The publication 2011 Census Quality Survey – Methodology and Results is organized in four chapters. After the references to sampling and indicators methodology, data collection and data matching procedures, detailed results on coverage and content errors are presented.
Instituto Nacional de Estatística - Inquérito de Qualidade dos Censos 2011 - Metodologia e resultados. Available at www: <url:https://www.ine.pt/xurl/pub/159517377>. ISBN 978-989-25-0221-2