[
AMANKWAA, L. 2016. Creating protocols for trustworthiness in qualitative research. Journal of Cultural Diversity, vol. 23, no. 3.
]Search in Google Scholar
[
BUDAK, J., RAJH, E. 2014. The Public Procurement System: A Business Perspective. EIZ Working Papers, pp. 1–29.
]Search in Google Scholar
[
CONNELLY, L. M. 2016. Trustworthiness in qualitative research. Medsurg Nursing, pp. 435.
]Search in Google Scholar
[
COPE, D. G. 2014. Methods and meanings: credibility and trustworthiness of qualitative research. Oncology nursing forum, vol. 14, no.1, pp.89–91
]Search in Google Scholar
[
EGERTON, T., DIAMOND, L. E., BUCHBINDER, R., BENNELL, K. L., SLADE, S. C. 2017, Ensuring the quality of the findings of qualitative research: Looking at trustworthiness criteria. Osteoarthritis and cartilage, vol. 25, no. 5, pp. 625638.
]Search in Google Scholar
[
EUROPEAN UNION 2014. Public procurement – Study on administrative capacity in the EU: Czech Republic Country Profile. European Union.
]Search in Google Scholar
[
FERREIRA, I., CUNHA, S., AMARAL, L. A., CAMÕES, P. J. 2018. TrivPlat: A monitoring, management and evaluation tool for electronic public procurement. Proceedings of the 11th International Conference on Theory and Practice of Electronic Governance (pp. 226–229). ACM.
]Search in Google Scholar
[
GRANDIA, J., MEEHAN, J. 2017. Public procurement as a policy tool: using procurement to reach desired outcomes in society. The International Journal of Public Sector Management, vol. 30, no. 4, pp. 302–309.
]Search in Google Scholar
[
IONESCU, L. 2014. The adverse effects of corruption on growth and development. Economics, Management and Financial Markets, vol.9, no.4, pp. 125.
]Search in Google Scholar
[
JOHNSTON, M. P. 2017. Secondary data analysis: A method of which the time has come. Qualitative and Quantitative Methods in Libraries, vol. 3, no. 3, pp. 619–626.
]Search in Google Scholar
[
KUNZ, P., POSPÍŠIL, R. 2017. Has European public procurement law improved the competitiveness of public procurement?. European Studies. The Review of European Law, Economics and Politics, vol. 4, 2017, pp. 111–112.
]Search in Google Scholar
[
LEUNG, L. 2015. Validity, reliability, and generalizability in qualitative research. Journal of family medicine and primary care, vol. 4, no. 3, pp. 324.
]Search in Google Scholar
[
LINCOLN, Y. S., GUBA, E. G. 2017. In all the above, triangulation is naturally vital in confirming the credibility of qualitative research outcome in multiple-case holistic studies. Triangulation, or cross-examination between multiple points (in spite of the “tri,” meaning at least two po. Case Study Strategies for Architects and Designers: Integrative Data Research Methods, pp. 70.
]Search in Google Scholar
[
MacCOUN, R. J. 2018. Enhancing research credibility when replication is not feasible. Behavioral and Brain Sciences, pp. 41.
]Search in Google Scholar
[
MUNN, Z., PORRITT, K., LOCKWOOD, C., AROMATARIS, E., PEARSON, A. 2014. Establishing confidence in the output of qualitative research synthesis: the ConQual approach. BMC medical research methodology vol. 14, no. 1, pp. 108.
]Search in Google Scholar
[
NEUPANE, A., SOAR, J., VAIDYA, K., YONG, J. 2014. Willingness to adopt e-procurement to reduce corruption: Results of the PLS Path modeling. Transforming Government: People, Process and Policy vol. 8, no.4, pp. 500–520.
]Search in Google Scholar
[
NOBLE, H., SMITH, J. 2015. Issues of validity and reliability in qualitative research. Evidence-Based Nursing, vol. 18, no. 2, pp. 34–35.
]Search in Google Scholar
[
OECD 2018. Government at a Glance – 2017 edition: Public procurement. [Online]. In OECD Statistics. [Retrieved January 12, 2019, from: https://stats.oecd.org/Index.aspx?QueryId=78413/].
]Search in Google Scholar
[
PEERSMAN, G. 2014. Overview: Data collection and analysis methods in impact evaluation. UNICEF Office of Research-Innocenti, pp. 1–10.
]Search in Google Scholar
[
RANDRIANARISOA, L. M., BOLDUC, D., CHOO, Y. Y., OUM, T. H., YAN, J. 2015. Effects of corruption on efficiency of the European airports. Transportation Research Part A: Policy and Practice, pp. 65–83.
]Search in Google Scholar
[
SOLBACH, T. 2018. Public Procurement in Germany: Workshop on the Public Procurement Strategy Package – Panel 2. Brussels: Federal Ministry for Economic Affairs and Energy, pp. 1–19.
]Search in Google Scholar
[
TAVERNE, B. 2018. Elements of Ethical Practices for Scientific Research Conducted in Resource-Limited Countries. French National Research Institute for Sustainable Development, pp. 24–27.
]Search in Google Scholar
[
TONG, A., DEW, M. A. 2014. Qualitative research in transplantation: Ensuring relevance and rigor. Transplantation, vol. 100, no. 4, pp. 710–712.
]Search in Google Scholar
[
VAYENA, E., GASSER, U., WOOD, A.B., O’BRIEN, D., ALTMAN, M. 2016. Elements of a new ethical framework for big data research, vol. 72, no. 5, pp. 1–24.
]Search in Google Scholar
