Questionnaire 1 solicits data on 'Factors affecting choice of bunkering port' and the 'Effect of IMO2020 in bunkering port choice 'Questionnaire 2 solicits data on 'Opinions on the subjective key performance factors'The results-file considers all input received and analyses the feedback by using fuzzy-TOPSIS.THIS DATASET IS ARCHIVED AT DANS/EASY, BUT NOT ACCESSIBLE HERE. TO VIEW A LIST OF FILES AND ACCESS THE FILES IN THIS DATASET CLICK ON THE DOI-LINK ABOV