Kettler Ryan J. Au. Research methodologies of school psychology critical skills - New York Routledge USA 2019 - viii,248p. cm. - Foundations of school psychology research and practice . ISBN: 9781138851504 (pbk) UKP 31.99 Standard No.: 352,969 Source: 1798, 03/02/2020, Bright Book Service Textual Subjects--Topical Terms: SOCIAL CHANGE; SOCIAL SCIENCES Dewey Class. No.: Sigma:f, Q9