Harianto, Adi, et al. “Efforts to Foster a Young Entrepreneurial Spirit at SMK Tunas Harapan Batang Serangan, Langkat Regency”. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat, vol. 6, no. 1, Feb. 2025, pp. 2143-50, doi:10.36526/gandrung.v6i1.4601.