Navaphongpaveen, K., Duangkaew, O., & Pakham, T. (2023). Performance Effciency of Nursing Assistants in Private Hospitals in Bangkok and Metropolitan Region. Journal of Social Sciences and Humanities Research in Asia, 29(2), 19–36. retrieved from https://so05.tci-thaijo.org/index.php/psujssh/article/view/264486