Ngampongpun, T., Kongthip, K., Pyungtanasup, K., Udomjetjamnong, T., Thanakumthorn, R., Suracharoenchai, S., Mungmai, S. and Mungkalarungsi, S. 2023. Food safety assessment based on sodium hydrosulfite contamination in ready-to-eat and ready-to-cook food samples from various markets in Bangkok Metropolitan Region. UBRU Journal for Public Health Research. 12, 1 (Apr. 2023), 78–86.