Lei, L., Jinping, Z. and Quancheng, Z. (2009) “Optimization of microwave-assisted extraction of polysaccharides in the flower of Platycodon grandiflorum by response surface methodology”, International Journal of Agricultural and Biological Engineering, 2(2), pp. 65–74. Available at: https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/53 (Accessed: 27 February 2026).