ABBAS, A.-A. M.; HASAN, A. M. Effect of spraying zinc , tryptophan and thiamin on growth and yield of grapevine cv. "khalili". Journal of Kerbala for Agricultural Sciences, [S. l.], v. 5, n. 1, p. 30–48, 2018. DOI: 10.59658/jkas.v5i1.145. Disponível em: https://journals.uokerbala.edu.iq/index.php/Agriculture/article/view/145. Acesso em: 2 may. 2024.