Abstract: The purposes of this research were to develop project-based and blended learning activities using social media tools to enhance article writing skills of graduated\students at Silpakorn University; and to study the article writing skill of graduate students, Silpakorn University. The instruments were interviews, quality assessment, and article assessment. The results showed that project-based and blended learning activities were constructed with a theory-based format which consisted of project based learning, blended learning, research studies on social media tools, and article writing skills.