Sansa, N. “The Effects of Using Distance Training Package to Develop Guidance Teachers Ability to Design Guidance Activities for Promoting Awareness of Cyber-Bullying Among Secondary School Students”. Journal of MCU Humanities Review, vol. 8, no. 2, Dec. 2022, pp. 1-16, https://so03.tci-thaijo.org/index.php/human/article/view/264317.