writing strong research papers always initiates investigation a reliable and trustworthy sources. to consider they are credibility, we have to figure out the author's background, when it is published and how prevalent with the others author ideas; why it is writing. as research references, many sources are available, however, analysis the information is essential. to be a strong research paper, it includes firm evidences and in depth explanation. adding some strong own opinions also make the paper more realistic. some credited sources: journal, reliable website, and some particular books for specific topic which are popular or common in academic field.
