ABBAS, S. K. Study of acid-base indicator property of flowers of Ipomoea biloba. International Current Pharmaceutical Journal, [S. l.], v. 1, n. 12, p. 420–422, 2012. DOI: 10.3329/icpj.v1i12.12452. Disponível em: https://banglajol.info/index.php/ICPJ/article/view/12452. Acesso em: 18 sep. 2024.