Jongkers Tampubolon, Jusra Tampubolon, and Hengki Mangiring Parulian Simarmata, “Strengthening Simarmata Youth Participation in Nation Building through Participatory Entrepreneurship Development in Simarmata Village, Samosir Regency”, JPMSAINTEK, vol. 5, no. 1, pp. 09–21, May 2026.