[1]
F. R. Fitri, I. P. . Sari, R. K. . Sormin, and S. Susiani, “The Cooperative Principles For The Class-room Conversation of Semester III Students of Imformatics Management Department at STIKOM Tunas Bangsa Pematangsiantar”, JPDK, vol. 5, no. 3, pp. 350–355, Jun. 2023.