Syafruddin Rais, Dailami, N. O. Sipayung, T. Pratama, D. A. Mikasari, and T. B. Ulum Lubis, “Barista Training At The Class Iia Correctional Institution (Lapas) Barelang, Batam City”, JOKERW, vol. 3, no. 1, pp. 83–92, Jan. 2025.