“…Some teams regard Scrum as difficult to accept with its revolutionary transformation change proposition [45], <aggressive=, <materialized= and <rigid= structure [42], [46]. [28], [29], [32], [33], [34], [40], [44], [45], [55], [56], [57] Quality decrease Telco, Content, Web, Auto, Soft 5- [29], [38], [39], [40], [46] Unsuitable for maintenance System, Maintenance, Soft 4- [34], [44], [46], [55] Estimation is timeconsuming, non-sensing, or causing delays Web, Content, Soft 3- [38], [40], [46] Scrum ceremonies cost Mob, Finance…”