Sell, buy or rent Barry C Edwards textbooks

An R Companion to Political Analysis

by Philip H. Pollock, Barry C. Edwards
ISBN-13: 9781506368849
ISBN-10: 1506368840
Edition: Second
Publication date: 2017
Publisher: CQ Press
Format: Paperback 248 pages

The Essentials of Political Analysis

by Philip H. Pollock, Barry C. Edwards
ISBN-13: 9781506379616
ISBN-10: 1506379613
Edition: Sixth
Publication date: 2019
Publisher: CQ Press
Format: Paperback 368 pages