Wongsrida, P., S. Sakunhongsophon, P. Kraithaworn, and P. Malathum. “Effects of a Self-Efficacy Promoting Program on Village Health Volunteers’ Knowledge and Perceived Self-Efficacy for Dementia Screening in Older Persons: A Case Study at Sakon Nakhon Province”. The Bangkok Medical Journal, Vol. 15, no. 1, Feb. 2019, p. 57, doi:10.31524/bkkmedj.2019.02.010.