10th EditionR.C. Hibbeler1,670 explanations
2nd EditionAlan S. Willsky, Alan V. Oppenheim, S. Hamid665 explanations
5th EditionCharles Alexander, Matthew Sadiku1,844 explanations
9th EditionDaisie D. Boettner, Howard N. Shapiro, Margaret B. Bailey, Michael J. Moran1,973 explanations