Development of Integrated STEM-PjBL e-LKPD on Acid-Base Materials for Class XI SMA using Flip PDF Proffesional Software. Entalpi Pendidikan Kimia, [S. l.], v. 4, n. 2, p. 31–39, 2023. DOI: 10.24036/epk.v4i2.314. Disponível em: http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/314. Acesso em: 28 oct. 2026.