Almeida, E. P. de, Freire, A. L. de O., Bakke, I. A. e Ferreira, C. D. (2021) “Gas exchange and water use efficiency in seedlings of tree species from caatinga under water levels and potassium”, Revista Principia, 1(53), p. 218–230. doi: 10.18265/1517-0306a2020v1n53p218-230.