共 53 条
- [2] ABS, 2020, BUILD ACT
- [3] [Anonymous], 2016, Extended Producer Responsibility, DOI [10.1787/9789264256385-en, DOI 10.1787/9789264256385-EN]
- [4] Braun V., 2006, Qualitative research in psychology, V3, P77, DOI [10.1191/1478088706qp063oa, doi:10.1191/1478088706qp063oa, DOI 10.1191/1478088706QP063OA]
- [6] Check J., 2012, RES METHODS ED
- [8] Council A.R., 2007, NAT STAT ETH COND HU
- [9] Creswell J. W., 2012, Educational research: Planning, conducting, and evaluating quantitative and qualitative research, V4th
- [10] Creswell JW., 2003, Research design, P155