Septiawan, Yudi, and Andreani Andreani. “TOEFL Facilitation and Simulation for Senior High School Students Throughout Pangkalpinang: Fasilitasi Dan Simulasi TOEFL Bagi Siswa-Siswi Sekolah Menengah Atas Se-Kota Pangkalpinang”. Mattawang: Jurnal Pengabdian Masyarakat, vol. 4, no. 2, Feb. 2023, pp. 136-41, doi:10.35877/454RI.mattawang1216.