J. Rummel

A practical introduction to measurement and evaluation

N. Gage, H. Remmers, J. Rummel, 1960 .

Research Methodology in Business

J. Francis Rummel, J. Rummel, E. R. Beem, 1963 .

A Simplified Method for Determining the Proportion of Differences in Excess of Chance Proportions Used in Differential Prediction

J. Rummel, 1953 .