Phoolawan, Phoowasit, Nipaporn Chanamarn, and Jiraporn Jumpajan. 2024. “Effect of smartphone applications on reducing the pain of office syndrome among staff at Sakon Nakhon Rajabhat University: a quasi-experimental design: 10.55131/jphd/2024/220306”. Journal of Public Health and Development 22 (3). Bangkok, Thailand:61-72. https://doi.org/10.55131/jphd/2024/220306.