Jin Sun Her Ji Hyeok Kim Sang Hun Oh Sung Yul Rhew Soo Dong Kim A framework for evaluating reusability of core asset in product line engineering. 740-760 2007 49 Information & Software Technology 7 http://dx.doi.org/10.1016/j.infsof.2006.08.008 db/journals/infsof/infsof49.html#HerKORK07