Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
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The 7 references without a DOI — listed, not checked
no DOI — not checked1) ASTM C457-08, (2008). “<i>Standard test method for microscopical determination of parameters of the air-void system in hardened concrete.</i>” American Society for Testing and Materials, USA.
no DOI — not checked2) Attachaiyawuth, A. and Ouchi, M., (2013). “Factors influence the mitigation of the interaction between coarse aggregate and mortar in self-compacting concrete.” <i>Internet Journal of Society for Social Management Systems</i>, 3. SMS13-1175.
no DOI — not checked3) Attachaiyawuth, A., and Ouchi, M., (2014). “Effect of entrained air on mitigation of reduction in interaction between coarse aggregate and mortar during deformation of self-compacting concrete at fresh state.” <i>Proceeding of the Japan Concrete Institute, JCI</i>, 36(1), 1444-1449.
no DOI — not checked4) Attachaiyawuth, A., Tanaka, K., Rath, S. and Ouchi., M., (2015). “Air-enhanced self-compactability of fresh concrete with effective mixing method.” <i>Proceeding of the Japan Concrete Institute, JCI</i>, 37, 1069-1074.
no DOI — not checked5) JSCE, (1998). “<i>Recommendation for Self-Compacting Concrete</i>.” Japan Society of Civil Engineers, Japan.
no DOI — not checked6) Okamura, H., Maekawa, K. and Ozawa, K., (1993). “<i>High Performance Concrete</i>.” Gihodo Publishing. (in Japanese)
no DOI — not checked7) Okamura, H. and Ozawa, K., (1995). “Mix-design of self-compacting concrete.” <i>Concrete Library of JSCE</i>, 25, 107-120.
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