TORPANYACHARN, K.; SIRIBORWORNPIPHAT, P. The Value - Added Concept of the Contemporary Cultural Products by Certification Mark. Journal of Humanities and Social Sciences Suratthani Rajabhat University, ฺืBangkok, Thailand, v. 14, n. 1, p. 215–234, 2022. Disponível em: https://so03.tci-thaijo.org/index.php/jhsc/article/view/255780. Acesso em: 16 sep. 2026.