Hadi NU, Ananda CF, Pudjiharjo P, Khusaini M. The Happiness Index as a New and Complementary Measurement of Development as Applied to Each Province of Indonesia. IJEFI [Internet]. 2018 Jul. 4 [cited 2024 Apr. 23];8(4):214-21. Available from: https://econjournals.com/index.php/ijefi/article/view/6589