'Survey Measurement and Process Quality' by L Lyberg is an essential guide for improving survey accuracy and reliability, covering measurement errors, data collection, and process evaluation. ISBN: 9780471165590.

'Doing Research' by Nel Verhoeven is an essential guide for anyone undertaking academic or professional research. Offering clear, practical advice from start to finish, this book covers everything from formulating research questions to presenting findings. The ISBN 9789462364820 edition is updated with the latest methodologies, making it a valuable resource for students and researchers alike.