Lange's handbook of chemistry
edited by John A. Dean, Norbert Adolph Lange
McGraw-Hill, 1985
 Buku Referensi
Lange's handbook of chemistry
edited by John A. Dean
McGraw-Hill, 1973
 Buku Referensi
Indonesian capital market directory 1999 : tenth edition
nstitute for Economic and Financial Research
Ecfin, 1999
 Buku Referensi
Lawrence, Eleanor
Henderson's dictionary of biological terms : tenth edition
John Wiley & Sons, 1989
 Buku Teks SO
Erik Obeng
Machinery's handbook. 29th edition
Industrial Press, 2012
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