421
422
423
by Cho, George, 1946-
Published 1990
424
by Krishnan, Arjunan.
Published 1998
425
by Gujarati, Damodar N.
Published 2003
426
by Burnett, Brian
Published 2001
427
Published 1999
428
by Harris, Marvin
Published 2000
429
Published 2002
430
by Bennett, W. Lance.
Published 2001
431
by Teoh Boon Kee
Published 2002
432
by Haugen, Robert A.
Published 1997
433
434
435
by Woon,Walter C.M.
Published 2002
436
437
by Clarke, David
Published 1996
438
439
by Ford, H.A.J.
Published 1997
440
by Frank, Robert H.
Published 1997