A. P. Ginting, D. S. R. . . Simanjuntak, C. R. . . Gultom, and J. . Sihite, “Forms of Affixation Morphological Errors in Speech Texts of Grade VIII Students SMP Swasta Cerdas Bangsa ”, pembahas, vol. 4, no. 4, pp. 881–894, Aug. 2025.