PURBA, R. Analysis of Laboratory Management Effectiveness in Biology Learning for Class X1 at SMA Negeri 2 Plus Panyabungan. IJESPG (International Journal of Engineering, Economic, Social Politic and Government), [S. l.], v. 1, n. 3, p. 42–49, 2023. DOI: 10.26638/ijespg.v1i3.34. Disponível em: https://ijespgjournal.org/index.php/ijespg/article/view/34. Acesso em: 28 oct. 2025.