Results 191 to 200 of about 823,228 (211)
Some of the next articles are maybe not open access.

Observational Method

Wang Jisheng, Zhang Kan
openaire   +2 more sources

Observational data collection methods for services marketing: An overview

Journal of the Academy of Marketing Science, 1992
Raymond P Fisk, Stephen J Grove
exaly  

Importance of Observational Studies in Clinical Practice

Clinical Therapeutics, 2007
Janusz Gumprecht   +2 more
exaly  

Observational Methods

2013
Jamie M. Ostrov, Emily J. Hart
openaire   +1 more source

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