PRABHATH PERERA, P. C.; SRIWARANUN, Y. .; SURIYA, P. . Consumers’ Willingness to Pay for Liquid Milk in Sri Lanka. วารสารแก่นเกษตร, [S. l.], v. 47, n. 4, p. 851–863, 2019. Disponível em: https://li01.tci-thaijo.org/index.php/agkasetkaj/article/view/249905. Acesso em: 7 พ.ค. 2024.