Siahaan, S.D.N. et al. 2023. Practical Analysis of Multimodality Based Student Book Development to Improve English Skill of Entrepreneurship Study Program Students at Universitas Negeri Medan. East Asian Journal of Multidisciplinary Research . 2, 10 (Nov. 2023), 4273–4282. DOI:https://doi.org/10.55927/eajmr.v2i10.5745.