Association between social media networks usage and sleep quality among 12th grade school students in an educational zone in Jaffna Northern Sri Lanka - Aravinthan, S.; Arulbavan, S.; Atchuthai, S.; Sivathas, S.; Coonghe, P.A.D. (Asia Pacific Academic Consortium for Public Health (APACPH), 2019)
Keywords: Sleep quality; Social media usage; Adolescent; Jaffna