Tore Dybå Nils Brede Moe Erik Arisholm Measuring software methodology usage: challenges of conceptualization and operationalization. 447-457 2005 conf/isese/2005 ISESE http://dx.doi.org/10.1109/ISESE.2005.1541852 db/conf/isese/isese2005.html#DybaMA05