Deliou C, Malagkoniari M. The use of Cause and Effect Diagram (Fishbone) and its impact on Personal Quality Management: Case Study in a classroom during the pandemic of COVID – 19 . ICBE-HOU [Internet]. 2023 Jun. 8 [cited 2024 Jul. 22];1(1). Available from: https://eproceedings.epublishing.ekt.gr/index.php/ICBE-HOU/article/view/5298