THEAMDEE, P.; CHAWPAINA, P.; POLTHANA, S. The Preparation of pH Indicator Paper from Bagasse Fiber with Anthocyanin Extract from Butterfly Pea Flower, Purple Cabbage and Lxora Coccinea for an Acid-Base Soil Monitoring Application. Research on Modern science and Utilizing Technological Innovation Journal (RMUTI Journal), [S. l.], v. 16, n. 1, p. 15–27, 2023. Disponível em: https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/250899. Acesso em: 20 may. 2024.