Bailey's industrial oil & fat products; Vol. 1
edited by Y. H. Hui
John Wiley & Sons, 1996
 Buku Referensi
Applied industrial catalysis; Volume 1
edited by Bruce E. Leach
Academic Press, 1983
 Buku Teks SO
Nicholson, T.A.J.
Optimization in industry; Vol. 2 : industrial applications
Aldine, 1971
 Buku Teks SO
Anawati
Degradation behavior of coatings formed by the plasma electrolytic oxidation technique on az61 magnesium alloys containing 0, 1 and 2 wt% ca
Faculty of Engineering, Universitas Indonesia, 2018
 Artikel Jurnal
Magnetism of metals and alloys
edited by M. Cyrot
North Holland, 1982
 Buku Teks SO