Kurangking, A., and S. Indad. “Outcomes-Based Independent Learning Paradigm (OBILP): Effects on Students’ Engagement and Performance in Chemistry”. Asia Research Network Journal of Education, vol. 5, no. 3, Dec. 2025, pp. 150-65, https://so05.tci-thaijo.org/index.php/arnje/article/view/277738.