MANIK, Alusti Cundo; SUTRISNO, Hari; RIVALDO, Ifan. Testing the Validity and Reliability of Conceptual Chemistry Learning Instruments during the COVID-19 Pandemic Using Rasch Modeling. Jurnal Penelitian Pendidikan IPA, [S. l.], v. 8, n. 3, p. 1561–1568, 2022. DOI: 10.29303/jppipa.v8i3.1486. Disponível em: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1486. Acesso em: 20 apr. 2024.