category e1 Full written paper- Refereed Proceedings pt.21/6/12. Can't verify as a book chapter -BIP used for bib details  -MA 22/11/12.  Also pub as journal article (http://apmba.ub.ac.id/index.php/apmba/article/view/96).  Verified as conference paper from VUROPS Lyn 10/12/12. HERDC documentation added to dark upload - HD 1/9/20