Iqbal, Z., and S. Novalin. “INVESTIGATIONS ON THE FORMOSE REACTION WITH PARTIAL FORMALDEHYDECONVERSION: A CHANCE FOR THE PRODUCTION OFSYNTHETIC CARBOHYDRATES”. Emirates Journal of Food and Agriculture, vol. 23, no. 4, Oct. 2011, pp. 338-54, https://www.ejfa.me/index.php/journal/article/view/1172.