WICHAIPON, P.; MAKKA, S.; VIKRAIPAT, T. The Study of Marketing Mix Affecting Purchasing Thai Herbal Soap Products in Wang Thonglang District, Bangkok Metropolis. Rajapark Journal, Bangkok, Thailand, v. 15, n. 41, p. 273–282, 2021. Disponível em: https://so05.tci-thaijo.org/index.php/RJPJ/article/view/251205. Acesso em: 1 oct. 2026.