Rochanahh, Siti, et al. “Development of Powerpoint-Based Learning Media to Improve Student Learning Outcomes on the Material of Economic Science Concepts at MA Hamid Rusydi Malang”. Penelitian Ilmu Pengetahuan Sosial, vol. 1, no. 2, Aug. 2024, pp. 76-84, doi:10.61511/pips.v1i2.2024.803.