John C. Tweddle

Project Planning and Design

Michael J. O. Pocock, John C. Tweddle, Helen E. Roy, 2020 .

FOUR. Project Planning and Design

Michael J. O. Pocock, John C. Tweddle, Helen E. Roy, 2020 .

Guide to citizen science: developing, implementing and evaluating citizen science to study biodiversity and theenvironment in the UK

Helen E. Roy, Michael J. O. Pocock, John C. Tweddle, 2012 .

Understanding citizen science and environmental monitoring: final report on behalf of UK Environmental Observation Framework

Helen E. Roy, Michael J. O. Pocock, David B. Roy, 2012 .

Important role of citizen science in monitoring UK biodiversity

Helen E. Roy, Michael J. O. Pocock, John C. Tweddle, 2012 .

Ecological aspects of seed desiccation sensitivity

John C. Tweddle, John B. Dickie, J. Dickie, 2003 .