León de Pinto, G., Martínez, M., Beltrán, O., Rivas, C. and Torres, M. A. (2014) “Spectral study of carbon-13 N.M.R. of three Parkia gums”, Ciencia, 5(1). Available at: https://produccioncientifica.luz.edu.ve/index.php/ciencia/article/view/18922 (Accessed: 31October2025).