1. AKHC (Asahi Kasei Homes Corporation). 2014a. “Sanjūdai yonjūdai kosodatechū no tomobataraki wo taishōtosita ‘tsuma no kajihara’ jittaichōsakekka wo happyō” [The results of surveys on “wives’ kaji-hara” among dual-income couples with children in their 30s and 40s]. July 14. Accessed 30 December 2017. http://www.asahi-kasei.co.jp/j-koho/press/20140714/index.html/
2. AKHC (Asahi Kasei Homes Corporation). 2014b. “Kosodate chū no tomobatarakifūfu otto no yakunanawari ga ‘tsuma no kaji-hara’ wo keiken” [About 70% of men with children experienced their wives’ kaji-hara]. Accessed December 30 2017. https://www.youtube.com/watch?v=Onm4Ld23_N4
3. AKHC (Asahi Kasei Homes Corporation). 2014c. “Tomobataraki kosodate fūfu wo shiensuru sekkeiteian no kyōka” [Enforcing house designs that can support dual-income couples with children]. July 11. Accessed 30 December 2017. https://www.asahi-kasei.co.jp/asahi/jp/news/2014/ho140711_2.html
4. Precarious Japan
5. Identity and Couples' Housework Sharing