ANGGRAENI, Yunita; MUCHLIS, Muchlis. Validity of Science Literacy-Oriented E-Lapd on Chemical Equilibrium Materials Using Problem-Based Learning Models. International Journal of Educational Research, [S. l.], v. 2, n. 2, p. 38–44, 2025. DOI: 10.62951/ijer.v2i2.290. Disponível em: https://international.aripi.or.id/index.php/IJER/article/view/290. Acesso em: 30 may. 2025.