Dul, J., & Hak, T. (2008). Case study methodology in business research. Chichester: Ellis Horwood.
Citación estilo ChicagoDul, Jan, and Tony Hak. Case Study Methodology in Business Research. Chichester: Ellis Horwood, 2008.
Cita MLADul, Jan, and Tony Hak. Case Study Methodology in Business Research. Chichester: Ellis Horwood, 2008.
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