Detuyatu, I.A. and Ajihil, B.A. 2026. Enhancing Sustainability Competence and Self-Efficacy of Junior High School Teachers Through a Holistic Teaching Intervention. International Journal of Sustainable and Integrated Studies. 1, 2 (Sep. 2026), 309–322. DOI:https://doi.org/10.65339/ijsis.V1.I2.85.