CHUMCHIT, K.; KRITTAYAPONG, R. Legal Problems on the Consumer Protection a Case Study on Premium and Sweepstakes Promotion. Rajapark Journal, Bangkok, Thailand, v. 12, n. 25, p. 108–118, 2018. Disponível em: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/121380. Acesso em: 1 oct. 2026.