Panduwinata, L. F., Wulandari, R. N. A. ., Puspasari, D. ., Puspasari, D. and Wati, A. P. . (2025) “Developing a case-based e-book for office communication: Enhancing critical thinking and practical skills”, Indonesian Journal of Educational Development (IJED), 6(2), pp. 561–574. doi: 10.59672/ijed.v6i2.4724.