Romy, E. et al. 2023. Improving the Role of Students in Teaching Campus Leraning 4 Introduction of Numbers in Mandarin Language in Students of SMP Gadjah Madan Medan. GANDRUNG: Jurnal Pengabdian Kepada Masyarakat. 4, 2 (Jul. 2023), 1026–1031. DOI:https://doi.org/10.36526/gandrung.v4i2.2820.