Budi Rizka, and Lismalinda. “THE EFFECT OF PROBLEM-BASED LEARNING MODEL ON THE SOCIOLINGUISTICS LEARNING OUTCOMES OF PRIVATE UNIVERSITY STUDENTS IN ACEH ”. Getsempena English Education Journal , Vol. 8, no. 1, May 2021, pp. 14-25, doi:10.46244/geej.v8i1.1197.