michalskig80ekonomika132-1258vilnusuniversity2007multipage0000
ekonomika80-2007-michalskig Prekinio kredito sprendimai portfelio valdymo poziuriu, Trade credit decision making based on portfolio management approach, [Grzegorz Michalski], mokslo darbai Ekonomika 80/2007, ISSN 1392-1258, Vilniaus Universiteas, ss. 40-51.
http://michalskig.files.wordpress.com/2008/04/michalskig80ekonomika132-1258vilnusuniversity2007multipage0000.pdf
