SIMARMATA, Ester Julinda; SINAGA, Reflina. Lesson Study Training to Improve Teacher Professional Competence at SMP Negeri 10 Medan. Jurnal Pelayanan dan Pemberdayaan Masyarakat, [S. l.], v. 1, n. 01, p. 28–32, 2024. DOI: 10.1395.vol1iss1no05pp28. Disponível em: https://ejournal.pustakakaryamandiri.com/ojs/index.php/jppm/article/view/10. Acesso em: 10 sep. 2025.