Gaya APA
Ludwing, E.
(1964).
Applied Process Design for Chem.&Petzs Chem. Plant II
(
--)
.
texsas:
gulf publishing.
Gaya MLA
Ludwing, Ernest.
"Applied Process Design for Chem.&Petzs Chem. Plant II".
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texsas:
gulf publishing,
1964.
Text.