Ritonga SAM, Sirojuzilam, Badaruddin. The Role of the “Front Mahasiswa Nasional” Through the People Serve Program in Providing Alternative Education to the Community of Medan City. J. of Environmental & Development Studies [Internet]. 2020 Sep. 17 [cited 2026 May 25];1(01):41-5. Available from: https://talenta.usu.ac.id/jeds/article/view/4609