Author’s Contributions Statement

The author(s) should write a responsibility statement in the submitted manuscript to the Iraqi Journal of Chemical and Petroleum Engineering (IJCPE). The statement should specify the contribution of each author in their work.

Generally, the statements of author’s contributions could be varied; authors in a certain research field may made manuscripts that contain a discrete effort readily articulated in detail, while others “in different research fields” work as a group effort at all levels of their work.

IJCPE listed an example for equal contributions of authors: “Author 1 and author 2 conducted the analyses, authors 3 and 4 interpretated the data and author 5 prepared figures and tables. All authors reviewed the manuscript.”.

IJCPE allows using one of the methods of author’s contributions statement mentioned above.