Boonpan, A., Pongswat, S., Pongthai, P. and Saijai, S. (2011) “The Effect of Chitosan on Quality and Extension of Shelf Life of Tofu”, Progress in Applied Science and Technology. Thailand, 1(1), pp. 45–57. available at: https://ph02.tci-thaijo.org/index.php/past/article/view/243263 (accessed: 11 September 2026).