LumbanTobing, I.J., Pardede, S.D., Pardede, S., Manurung, T.I. and Sidabutar, R. 2022. Improving Literacy and Numeracy Skills at SD Negeri 173616 Lumban Ruhap Through Campus Teaching Program Class 3. Eumpang Breuh : Jurnal Pengabdian Masyarakat. 1, 2 (Dec. 2022), 31-35.