2025. THE EFFECTIVENESS OF KAHOOT! IN ENGLISH VOCABULARY MASTERY AMONG SECOND SEMESTER STUDENTS AT UNIVERSITAS BHINNEKA PGRI TULUNGAGUNG IN THE ACADEMIC. Sindoro: Cendikia Pendidikan. 17, 5 (Jul. 2025), 91–100. DOI:https://doi.org/10.99534/vfh8bj54.