Saptono, Ari, Suparno Suparno, Agus Wibowo, Eeng Ahman, Ismiyati Ismiyati, and Deni Sukayugi. “An Analysis of Higher-Order Thinking Skills (HOTS) in the Learning of Economics”. International Journal of Learning, Teaching and Educational Research 19, no. 4 (April 30, 2020): 268–290. Accessed April 18, 2026. https://ijlter.myres.net/index.php/ijlter/article/view/397.