Habsy, Bakhrudin All, et al. “The Development Model of Semar Counselling to Improve the Self-Esteem of Vocational Students With Psychological Distress”. International Journal of Emerging Technologies in Learning (iJET), vol. 14, no. 10, May 2019, pp. pp. 132-149, doi:10.3991/ijet.v14i10.10221.