Phengsuk, T., Promthong, S., Kannhasin, P., Taichankong, K. and Pitiphat, S. (2025) “Development of a Natural Soap from Silk Cocoon Waste and Substandard Nam Dok Mai Mangoes for Enhanced Antioxidant and Tyrosinase Inhibitory Properties: A Case Study of Rak Samunphrai Nong Waeng Sri Wilai Community Enterprise, Udon Thani”, Rajapark Journal. Bangkok, Thailand, 19(64), pp. 1–21. available at: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/281118 (accessed: 24 September 2026).