For selection of articles, we explored the selected databases sequentially. Arbitrarily, we started with EBSCOhost followed by Emerald, Willey-Blackwell, JSTOR, and SpringerLink. This was done to avoid duplication of articles. However, for selection of relevant articles, context was given utmost importance. We concentrated more on relevance to the business/management field and concepts of TNA relating to the theme of study. Nevertheless, except for a few (e.g. Moore and Dutton, 1978; Brown, 2002; Cekada, 2010) most of the studies provided only partial substantiation to the topic under study. Our literature search revealed that in the last ten years study like ours has not been carried out (also maintained by Cekada, 2010). The following information on sample is noteworthy: