CHEMSRIPONG, Sujinda. Impact of COVID-19 pandemic upon jewelry and gems business: marketing mixed perspective. International Scientific Conference “Business and Management”, [S. l.], v. 12, p. 1–9, 2022. DOI: 10.3846/bm.2022.895. Disponível em: https://conferences.vilniustech.lt/index.php/BM/article/view/407. Acesso em: 13 sep. 2026.