Anita Kusumawati 2024. Enhancing English Language Skills Through the Development of PowerPoint-Based TOEFL Teaching Materials at Lembaga Kajian Dialektika . Pengabdian: The National Online Journal of Community Service on Linguistics, Language Teaching, Literature and Culture. 1, 1 (Jul. 2024), 21–27. DOI:https://doi.org/10.32493/noslltl.v1i1.40870.