Tandog, Ruelagin, et al. “Effects of Minimally Decorated and Visually Stimulating Classroom Settings on the Social Behavior of Grade 1 Learners: A Hidden Curriculum Perspective”. International Journal of Sustainability and Advanced Integrated Research, vol. 2, no. 2, June 2026, pp. 2997-02, https://doi.org/10.65339/ijsair.V2.I2.536.