P. Swanborn

A common base for quality control criteria in quantitative and qualitative research

P. Swanborn, Peter G. Swanborn, 1996 .

A Social-Psychological Study of Religious Nonbelievers

P. Swanborn, J. Weima, 1966 .

Case Study Research: What, Why and How?

Peter G. Swanborn, P. Swanborn, 2010 .