White, S.C. Wellbeing. GSDRC Professional Development Reading Pack no. 19. Governance and Social Development Resource Centre, University of Birmingham, Birmingham, UK (2015) 4 pp
Crivello, G.; Morrow, V.; Wilson, E. Technical Note 26. Young Lives Longitudinal Qualitative Research: A Guide for Researchers. Young Lives, Department of International Development at the University of Oxford, Oxford, UK (2013) 26 pp