Pilanee Vaithanomsat, Taweesiri Malapant and Waraporn Apiwattanapiwat (2008) “Silk Degumming Solution as Substrate for Microbial Protease Production”, Agriculture and Natural Resources. Bangkok, Thailand, 42(3), pp. 543–551. available at: https://li01.tci-thaijo.org/index.php/anres/article/view/244482 (accessed: 13 October 2026).