Setiarini, Supras. “Validitas–reliabilitas Instrumen HOTS Ekonomi SMA: Model Borg & Gall Yang Dimodifikasi”. Teacher in Educational Research 4, no. 2 (October 11, 2025). Accessed October 14, 2025. https://ejournal.ressi.id/index.php/TER/article/view/493.