ISMATHULHUDA, A.; HARDELI, H.; ALIZAR, A.; YERIMADESI, Y. Validity and Practicality of Project-Based e-Student Worksheet on Thermochemical Materials to Improve Learning Outcomes . Jurnal Penelitian Pendidikan IPA, [S. l.], v. 8, n. 3, p. 1433–1441, 2022. DOI: 10.29303/jppipa.v8i3.1691. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1691. Acesso em: 7 feb. 2023.