พรหมเกษ จ., เบ้าธรรม ส., and เเสนพวง ด. “Value Added Products on Customer Satisfaction and Brand Loyalty Case Study: The Reed Mat of Ban Rae Village Tambol Rae, Phangkhon District, Sakon Nakhon Province”. RMUTI Journal Humanities and Social Sciences, vol. 3, no. 2, Dec. 2016, pp. 87-100, https://so05.tci-thaijo.org/index.php/RMUTI_SS/article/view/194693.