Sanil S Hishan, Suresh Ramakrishnan , Rosman Md. Yusoff , Amina Imran , Nabil Hasan Saleh Al-Kumaim. “Effectiveness of University Staff Oral and Written Communication”. International Journal of Advanced Science and Technology, Vol. 29, no. 10s, May 2020, pp. 1412 -1, http://sersc.org/journals/index.php/IJAST/article/view/14652.