Advanced Macroeconomics, 4th ed, (David Romer)
Basic Econometrics, 5th ed, (Damodar N. Gujarati, and Dawn C. Porter)
An Introduction to Mathematical Statistics and Its Applications, 5th ed, (Richard J. Larsen and Morris L. Marx)
Microelectronic Circuits, 5th ed, (Adel S. Sedra and Kenneth C...