HIDAYAT, B.; RAUF, A.; SABRINA, T.; JAMIL, Ali. Evaluation Content of Pb in Phase Vegetative and Generative of Paddy by Aplication Azolla and Husk Biochar in Contaminated Paddy Field. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 31, n. 3, p. 156–164, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/6809. Acesso em: 18 sep. 2025.