Mauliah, Rahma, et al. “Effects of Project-Based Learning Supported by Articulate Storyline on students’ Higher-Order Thinking Skills in Junior High School Social Studies”. Harmoni Sosial: Jurnal Pendidikan IPS, vol. 13, no. 2, Sept. 2026, pp. 302-13, doi:10.21831/hsjpi.v13i2.93602.