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Journal Article The Problem of Source Coverage in the Use of International Events Data Get access Edward E. Azar, Edward E. Azar Department of Political Science, University of North Carolina Search for other works by this author on: Oxford Academic Google Scholar Stanley H. Cohen, Stanley H. Cohen Department of Psychology, University of Chicago Search for other works by this author on: Oxford Academic Google Scholar Thomas O. Jukam, Thomas O. Jukam Department of Political Science, Michigan State University Search for other works by this author on: Oxford Academic Google Scholar James M. McCormick James M. McCormick Department of Political Science, Michigan State University Search for other works by this author on: Oxford Academic Google Scholar International Studies Quarterly, Volume 16, Issue 3, September 1972, Pages 373–388, https://doi.org/10.2307/3013573 Published: 01 September 1972
Azar et al. (Fri,) studied this question.