1. Laura Beckwith, corresponding author (E-mail: ) and is affiliated with Centre for Global Development, Northumbria University, Newcastle upon Tyne, England NE1 8ST, UK.
2. Siobhan Warrington and is affiliated Oral History Unit and Collective, School of History, Classics and Archaeology, Newcastle University, Newcastle upon Tyne, England, UK.
3. Hue Nguyen is affiliated Faculty of Languages, An Giang University, Long Xuyên, An Giang Province, Vietnam.