Purpuniyanti, Menik, and Bambang Ismanto. “Development of A Training Module for Preparing Testlet Questions to Improve Competency of Chemistry Teachers”. Eduvest - Journal of Universal Studies 5, no. 2 (February 25, 2025): 2432–2445. Accessed October 7, 2025. https://eduvest.greenvest.co.id/index.php/edv/article/view/33276.