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Estimation in a duration model for evaluating educational programs
Brännäs, Kurt, (2000)
Significance tests for a mis-specified Tobit model
Taylor, Larry W., (1989)
Limited dependent variable models using panel data
Maddala, Gangadharrao S., (1987)
Encyclopedia of statistical sciences
Kotz, Samuel, (2006)
A to Buys - Ballot table
Calcutta Statistical Association bulletin to Cyclic sampling