“EFFECTIVENESS OF HOMOGENEOUS GROUPING BASED ON STUDENT CHARACTERISTICS IN THE ENGLISH LEARNING PROCESS IN GRADE 7 AT SMPN 3 SIKUR”. Sindoro: Cendikia Pendidikan 18, no. 2 (December 13, 2025): 1571–1580. Accessed October 2, 2026. https://cibjournal.com/index.php/sindoro/article/view/3667.