@article { 346,
	title = {Modeling and Analyzing Location-based Requirements: Goal-oriented Approach},
	journal = {International Journal of Computer Science and Software Technology (IJCSST)},
	volume = {2},
	year = {2009},
	pages = {7},
	chapter = {89},
	author = {Ali, R. and Dalpiaz, F. and Giorgini, P.}
}