Seangpraw K, Sresumatchai V. Knowledge, attitude, perceived self-efficacy and behavior related to sexual risk behavior among university students in North Thailand. J Health Res [Internet]. 2017 Feb. 21 [cited 2024 Apr. 28];30(2):127-34. Available from: https://he01.tci-thaijo.org/index.php/jhealthres/article/view/77944