Petersen, Roger G.
Marcel Dekker, 1985
Buku Teks SO
Das, M.N.
Wiley Eastern, 1979
Buku Teks SO
Dean, Angela
Springer, 1999
Buku Teks SO
Gupta, Arjun K.
NJ World Scientific, 2013
Buku Teks SO
John, Peter William Meredith
Society for Industrial and Applied Mathematics, 1998
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