Patten, Mildred L. Understanding research methods : an overview of the essentials / Mildred L. Patten, Michelle Newhart. -- 10th edition. -- New York : Routledge, 2018. -- xiii, 338 s. : obr., tab. ; 26 cm. -- (Research methods and statistics). -- Obsahuje register. -- ISBN 978-0-415-79052-9 (brož.) : 89,25

1. monografie

I. Newhart, Michelle

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