K.G.P.H. Kandegedara, K.M.N. Perera, and G.G.N. Guruge, “Assessment of the Existing School Health Promotion Program in a Selected Educational Zone, Sri Lanka - Cross - Sectional Study”, Int. j. res. appl. sci. biotechnol., vol. 7, no. 1, pp. 13–19, Jan. 2020.