Y. Septiawan and A. 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”, j. mattawang, vol. 4, no. 2, pp. 136–141, Feb. 2023.