Rakguson, R.; Lertkratoke, S.; Nantapornsiripong, P.; Pattanapho, L.; Ngomsoongnoen, K. The Effect of a Self-Efficacy Enhancement Program on the Determination to Refuse Kratom Use Among University Students in Nakhon Ratchasima Province. J. Nurs. Public. Health. Res. 2025, 5, e270378.