Damopolii, V. L. F., E. T. S. . Sujatna, D. . Suganda, and R. M. . Amalia. “Ideational Meaning of Material Process in EFL Students’ Problem-Solving Text: A Frame of Systemic Functional Linguistics”. Qubahan Academic Journal, vol. 5, no. 3, Aug. 2025, pp. 349-67, doi:10.48161/qaj.v5n3a1871.