Handbook of mixed methods in social & behavioral research /

Опубликовано 2003

Foundations of mixed methods research : integrating quantitative and qualitative approaches in the social and behavioral sciences /

по Teddlie, Charles
Опубликовано 2009

Mixed methodology : combining qualitative and quantitative approaches /

по Tashakkori, Abbas
Опубликовано 1998

Sage handbook of mixed methods in social & behavioral research /

Опубликовано 2010