Doris Yolanda Saragih, Erwin Sirait, Firinta Togatorop, Andi Setiadi Manalu, Poltak Pardamean Simarmata, and Hengki Mangiring Parulian Simarmata, “Empowering Students’ Global Communication Skills through English for Global Communication Workshop at Politeknik Bisnis Indonesia ”, PanggungKebaikan, vol. 2, no. 4, pp. 58–71, Nov. 2025.