Gaya APA

[et.al.], L, C. (2005). Effect of pre-carbonization of petroleum cokes on chemical activation process with KOH . : Elsevier Ltd. All rights reserved.

Gaya MLA

[et.al.], Lu, Chunlan. "Effect of pre-carbonization of petroleum cokes on chemical activation process with KOH". : Elsevier Ltd. All rights reserved, 2005. e-journal.