Ruangsombat, Kritsanee, Apiradee Lim, Siriporn Pradit, Varaporn Cholumpai, and Prakrit Noppradit. 2023. “Risk Factors Affecting the Bacterial Contamination in Water of Thailand’s Upper South 2020 - 2022”. Trends in Sciences 21 (1). Nakhon Si Thammarat, Thailand:7158. https://doi.org/10.48048/tis.2024.7158.