Zinc - rooting cofactor in rubber tree mini-cuttings. Bioscience Journal [online], 2020. [online], vol. 36, no. 6, pp. 1821–1827. [Accessed13 December 2025]. DOI 10.14393/BJ-v36n6a2020-48170. Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/48170.