Dieny, F. F., Berlian Buntarlan, A. ., Ratna Noer, E. . and Nissa, C. . (2021) “Effect of hydration education with whatsapp group media in increasing in fluid knowledge, fluid intake and hydration status of football athletes”, Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, 7(2), pp. 180–193. doi: 10.29407/js_unpgri.v7i2.15875.