A COMPARATIVE ANALYSIS OF PRE-SERVICE AND IN-SERVICE TEACHERS’ INTERNET SAFETY LEVEL, CYBERBULLYING ENCOUNTERED EXPERIENCES, AND CYBERBULLYING PERCEPTIONS; THAILAND PERSPECTIVE. SWU-JEd [Internet]. 2017 Jul. 6 [cited 2026 Oct. 23];18(1). Available from: https://ejournals.swu.ac.th/jedu/article/view/9167