00387nam a2200121Ia 4500008004100000040001700041082002300058100001600081245010300097260003400200300001000234700002100244190329s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta001.42bJ79E  aJonker, Jan 0aEssence of research methodologyba concise guide for Master and PhD students in Management Science  aBerlinbSpringer-Verlagc2010  a171p.  aPennink, Bartjan