Scientific Publishing Institute (SPI) is a platform for peer-reviewed and scientific open-access journals. The Journals published by SPI are fully open access. Paper Selection and Publication Process 1. Upon receipt of paper submission, the Editor sends an E-mail of confirmation to the corresponding author within 1-3 working days. If you fail to receive this confirmation, your submission/e-mail may be missed. Please contact the Editor in time for that. 2. Peer review. We use double-blind system for peer-review; both reviewers and authors' identities remain anonymous. The paper will be peer-reviewed by three experts; two reviewers from outside and one editor from the journal typically involve in reviewing a submission. 3. Notification of the result of review by E-mail. 4. The publication charge is 100 USD (online publication only) or 200 USD (online publication + 1 hard copy) 5. E-journal in PDF is available on the journal’s webpage, free of charge for download.