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The status of nonlinear programming software : an update
Waren, Allan D., (1987)
Solving non-linear systems by computer : a new method
Giessen, A. A. van der, (1970)
Variable addition and Lagrange multiplier tests for linear and logarithmic regression models : theory and Monte Carlo evidence
Godfrey, L. G., (1986)
SIX STAGES OF IT STRATEGIC MANAGEMENT
Kovacevic, Antonio, (1993)
Modern database management
Hoffer, Jeffrey A., (2009)
Usefulness of financial ratios in a single industry
Cowen, Scott S., (1982)