X. López-Legarda, A. Taramuel-Gallardo, C. Arboleda-Echavarría, F. Segura-Sánchez, and L. F. Restrepo-Betancur, “Comparison of methods using sulfuric acid for determination of total sugars”, Rev Cub Quim, vol. 29, no. 2, pp. 180–198, Jun. 2017.