V. P. K. K Jayasinghe; K. M. N Perera; G. N. D Guruge. A Six-Step Process to Reduce Bullying in Schools; The Content of a Health Promotion Intervention to Reduce Bullying Among Early Adolescents in a Rural School in Sri Lanka. Int. j. res. appl. sci. biotechnol. 2021, 8, 32-36.