K. S. Qader dan D. Darmawan, “Industrial Psychology as the Foundation of Environmentally Friendly Behavior: Integrating Sustainability Values into Organizational Work Culture”, jipo, vol. 2, no. 1, hlm. 39–48, Jun 2026, Diakses: 19 Oktober 2026. [Daring]. Tersedia pada: https://jipojournals.id/index.php/jipo/article/view/24