Nakhruea, K., W. Kaewpan, S. Kalampakorn, and J. Sillabutra. “Role Performance Factors of Occupational Health Nurses in Industrial Estates of Thailand”. Journal of Public Health Nursing, vol. 32, no. 1, May 2019, pp. 97-116, https://he01.tci-thaijo.org/index.php/phn/article/view/189308.