Y. Hakamada
- 東北地方の生コン業界における復興への取組み (The Commitment to Reconstruction in the Ready-mixed Concrete Industry in the Tohoku Region). In: Concrete Journal (JCI), v. 53, n. 1 ( 2014). (2014):
- Response by the Ready-Mixed Concrete Industry for Recovery and Reconstruction from the Great East Japan Earthquake. In: Concrete Journal (JCI), v. 56, n. 2 ( 2018). (2018):