The book constitutes the results of studies conducted /which have been conducted by the author

The book is the outcome of...

The book constitutes/is the culmination of research conducted by the author
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The Fortune-Teller with Soldiers is important in that it constitutes the culmination of research both formal and conceptual and brings to conclusion the series of
https://books.google.com/books?id=A-00DQAAQBAJ&pg=PA121&lpg=...
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This project constitutes the culmination of research begun a decade ago on the MENA region's growing energy, economic and financial
https://www.researchgate.net/project/Asianization-of-the-Mid...
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This manual is the culmination of research into documented practices from across North America.

http://www.trafficwareuniversity.com/knowledge-base/?title=&...
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he current paper is the culmination of research begun by Achtman and his colleagues at the Max Planck Institute of Infection Biology in Berlin,
http://www.nature.com/nature/journal/v445/n7130/full/7130xii...
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The C62 is the culmination of research by the CATANA R&D team and
collaboration with several naval architects. It sets new standards in
exceptional luxury models.
https://www.dreamyachtsales.com.au/catana-c62-catamaran/?pdf...

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The Polish Peasant in Europe and America was the culmination of research by American sociologist William I. Thomas and Polish scholar Florian Znaniecki
https://en.wikipedia.org/wiki/The_Polish_Peasant_in_Europe_a...