Thomas, Ronald E.
The analysis and design of linear circuits / Roland E. Thomas, Albert J. Rosa.
Prentice-Hall, 1994.
 Buku Teks
Glover, J. Duncan
Power system analysis and design
Wadsworth/​Thomson Learning, 2007
 Multimedia
Duncan, Acheson J.
Quality control and industrial statistics / Acheson J. Duncan
Richard D. Irwin , 1974
 Buku Teks
Duncan, Acheson J.
Quality control and industrial statistics / Acheson J. Duncan
Richard D. Irwin, 1974
 Buku Teks
Duncan, Acheson J.
Quality control and industrial statistics / by Acheson J. Duncan
D.B. Taraporevala Sons & Co., 1969
 Buku Teks