B. SIAHAAN, Friska; MEKAR SARI SINAGA, Putri; KACARIBU, Rosalina; SITANGGANG, Sari; SARI SIRAIT, Linda; MEGAWATI SIMANGUNSONG, Sere. KURSUS BIMBINGAN BELAJAR GRATIS SISWA UPT SPF SD NEGERI 104212 MARINDAL II. COVIT (Community Service of Tambusai), [S. l.], v. 2, n. 1, p. 79–84, 2022. DOI: 10.31004/covit.v2i1.4159. Disponível em: https://journal.universitaspahlawan.ac.id/index.php/covit/article/view/4159. Acesso em: 21 dec. 2025.