“…how community / organizational networks form and grow (Prell, 2003), how network governance influences policy (Hajer and Wagenarr: 2003), how crises cause change in social networks (Varda et al, 2009). As an approach, basically social network has been being used for various contexts and levels of research; for instance, from individual level (Quarantelli and Dynes: 1977), community (Tierney, 2001, Ulbert et al, 2005, as well as organizational context (Kapucu et al, 2010, Lassa, 2010. There are several past researches which already employed SNA to study inter-organizational cooperation at the time of a disaster; e.g.…”