Richard A., Jr Hay

Who Speaks for the Poor: National Interest Groups and Social Policy  Richard A. Jr Hays Paperback. Routledge, 2009-12-19 ISBN 9780415877633     Interrupted Time Series Analysis (Quantitative Applications in the Social Sciences)  David McDowall Richard McCleary Errol Meidinger Richard A., Jr Hay Paperback. SAGE Publications, 1980-08-01 ISBN 9780803914933