00440nas a2200145   4500000000100000000000100001008004100002260001900043100002200062700002300084700002000107700002200127245013100149300001400280       2022                            d  bSpringer, Cham1 aDaniela Borissova1 aZornitsa Dimitrova1 aNaiden Naidenov1 aRadoslav Yoshinov00aIntegrated Approach to Assessing the Progress of Digital Transformation by Using Multiple Objective and Subjective Indicators   a626–634