EVALUATION OF SOCIAL MEDIA SURVEILLANCE FOR IMPROVED DISEASE RECOGNITION AND MONITORING IN SRI LANKA ArticleJayakodi W.O.J., Ossan M.I.S., Kumarage K.G.U.P., Perera R.R.K., Maksimenko L.V.SCIENCE4HEALTH 2019. Клинические и теоретические аспекты современной медицины. 2019. 148 с.