Silaban, Patri Janson, Hanna Cintia Damanik, Agnes Romayani Simarmata, Angela Merici Alpa Manurung, Dearin Jely Sinaga, and Gilberdh Saragih. 2023. “Sosialisasi Mudah Berhitung Dengan Sempoa Di SD Santo Thomas 2 Medan”. Jurnal Pengabdian Masyarakat Bangsa 1 (6):641-43. https://doi.org/10.59837/jpmba.v1i6.99.