Drejeris R, Bivainis J, Tunčikienė Živilė, Drejerienė E. Determining the purposefulness of new services on the grounds of the results of quantitative analysis. JBEM [Internet]. 2013Sep.23 [cited 2024Nov.27];14(4):791-805. Available from: https://jeelm.vgtu.lt/index.php/JBEM/article/view/3746