ANG, J.-Y.; HO, R.-Y.; TONG, S.-F.; ABD. AZIZ, F.; OOI, G.-S. The Prevalence of Online Natural Health Products Purchase: A Systematic Review. Malaysian Journal of Medicine and Health Sciences, [S. l.], v. 19, n. 2, p. 250–258, 2023. DOI: 10.47836/mjmhs.19.2.36. Disponível em: http://mjmhsojs.upm.edu.my/index.php/mjmhs/article/view/398. Acesso em: 26 nov. 2025.