Rido, Akhyar, Heri Kuswoyo, E. Ngestirosa Endang Woro Kasih, Shavina Lestiani, Rizma Amalia Sa’adah, Sahat Parulian Prantinus Kaban, dan Edho Anggara Doby Putra. “Enhancing English Language Proficiency of SMKS Muhammadiyah 1 Kota Agung Students through TOEIC Coaching”. INCOME: Indonesian Journal of Community Service and Engagement 2, no. 2 (Juni 21, 2023): 149–159. Diakses Juni 27, 2025. https://journals.eduped.org/index.php/income/article/view/407.