UTAMI, N. Improving the Students’ Comprehension on Acid Natural Indicator through Discovery Learning. Tamansiswa International Journal in Education and Science (TIJES), [S. l.], v. 3, n. 2, p. 63–73, 2022. DOI: 10.30738/tijes.v3i2.12250. Disponível em: https://jurnal.ustjogja.ac.id/index.php/TIJES/article/view/12250. Acesso em: 9 dec. 2022.