Content Validity and Construct Validity Technical Guidelines for Project Based Learning Based on Chemical Literacy on Reaction Rate Materials. Entalpi Pendidikan Kimia, [S. l.], v. 3, n. 3, p. 61–67, 2022. DOI: 10.24036/epk.v3i3.281. Disponível em: http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/281. Acesso em: 24 oct. 2026.