WIDARTI, H. R.; ROKHIM, D. A.; KADAFI, M. M. Android-Based Project-Based Learning Integrated Gravimetric Analysis for Chemical Expertise Analysis of Vocational School: Development of Teaching Materials. IJCER (International Journal of Chemistry Education Research), [S. l.], v. 7, n. 2, p. 93–104, 2023. DOI: 10.20885/ijcer.vol7.iss2.art10. Disponível em: https://journal.uii.ac.id/IJCER/article/view/28343. Acesso em: 13 may. 2024.