Each received manuscript by editorial office is sent to three reviewers for its evaluation. If the manuscript is rejected by the reviewers or accepted with minor or major corrections, the manuscript is resent to the authors to make the corrections. After author’s corrections, the manuscript is again resent to the reviewers for a novel evaluation in case of minor or major corrections. After each accepted manuscript, the editorial office send to the authors an acceptance letter and a PDF proof for correction. A payment of 50000 F CFA is asked to authors for print contribution.