1. The manuscript should be original, and has not been published previously. Do not submit material that is currently being considered by another journal.

2. Manuscripts may be 4000-15000 words or longer if approved by the editor, including an title page, abstract, texts, tables, footnotes, appendixes, and references. The title should be on page 1 and not exceed 15 words, and should be followed by an abstract of 100–200 words. 3-5 keywords or key phrases are required.

Note: (1) Title Page. The title page should include the authors’ full names and affiliations, the name, highest education, academic title, research fields and e-mail address of the corresponding author. (2) Manuscript Title. The full manuscript title should be succinct (approximately 12 characters) and informative (3) References. The file about the format of references can be downloaded at the followed website:
http://www.davidpublisher.com/Public/uploads/file/20150318/20150318153728_28591.pdf

3. The manuscript should be in MS Word format, manuscripts should be sent online or as an email attachment to: [email protected] or [email protected].

4. Authors of the articles being accepted are required to sign up the Transfer of Copyright Agreement form.