Ford Lumban Gaol; Fonny Hutagalung; Chew Fong Peng; Zulkifli Isa; A.R. Rushdan <br/><br/>
Trends and Issues in Interdisciplinary Behavior and Social Science  Proceedings of the 5th International Congress on Interdisciplinary Behavior and Social Science (ICIBSoS 2016), 5-6 November 2016, Jogjakarta, Indonesia 

 -  Taylor and Francis  2017 
<br/><br/><label>ISBN: </label>9781315269184 
<br/><br/><label>Source: </label>EBOOK