1. Two international students have drowned in NSW;Acharaya,2016
2. An introduction to categorical data analysis;Agresti,2007
3. The rip current hazard in Costa Rica;Arozarena;Natural Hazards,2015
4. Rescues conducted by surfers on Australian beaches;Attard;Accident Analysis & Prevention,2015
5. International student numbers at Australian universities;Australian Education Network,2017