please help, request 1 book (elsevier)

https://www.elsevier.com/books/enzymatic-methods-of-analysis/guilbault/978-0-08-006989-0

Enzymatic Methods of Analysis
1st Edition
International Series of Monographs in Analytical Chemistry
Authors: George G. Guilbault
Editors: R. Belcher H. Freiser
eBook ISBN: 9781483150543
Imprint: Pergamon
Published Date: 1st January 1970
Page Count: 368

please send me to rayongman@gmail.com

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