@article{CTT100905187,
  author = {Reza Nadimi and Shiori Tanaka and Koji Tokimatsu},
  title = {Applying optimization programming and research generator methods to measure subjective well-being within country},
  journal = {International Journal of Happiness and Development},
  year = 2021,
}

@article{CTT100830985,
  author = {S. Tanaka and K. Tokimatsu},
  title = {Social capital, subjective well-being, and happiness - Evidenced from Survey on Various European and Asian Countries to Address the Stiglitz Report},
  journal = {Modern Economy},
  year = 2020,
}