Jun Lin 0006 Han Yu 0001 Zhiqi Shen 0001 Chunyan Miao Using goal net to model user stories in agile software development. 1-6 2014 SNPD https://doi.org/10.1109/SNPD.2014.6888731 https://doi.ieeecomputersociety.org/10.1109/SNPD.2014.6888731 conf/snpd/2014 db/conf/snpd/snpd2014.html#LinYSM14