S. K. Ningsih and S. Warni, “English for Tour Guide: Kegiatan Pengabdian kepada Masyarakat bagi Guru SMK di Purbalingga: English for Tour Guide: A Community Service for Vocational School Teachers in Purbalingga”, Pengabdianmu J Ilmiah Pengabdian Masyarakat, vol. 9, no. 7, pp. 1240–1246, July 2024, doi: 10.33084/pengabdianmu.v9i7.6952.