Arwan Nugroho
Kebahagiaan penduduk usia lanjut pada rumah tangga Solo (One Person Household/OPH) di Indonesia = The happiness of the elderly population at One Person Household (OPH) in Indonesia
2019
 UI - Tesis Membership
Pengaruh pengisisan waktu luang terhadap kebahagiaan lanjut usia: The effect of sparetime activities on ages happiness
 Artikel Jurnal
Fitriana Susilowati
Determinan pengakuan kebahagiaan lanjut usia di Indonesia (analisis data susenas triwulan ketiga dan modul sosial budaya pendidikan tahun 2012) = The determinants of happiness of indonesian s older people the analysis of susenas s data and modul of social culture education on 2012
Program Pascasarjana Universitas Indonesia, 2015
 UI - Tesis Membership
Candra Inge Salyaharini
Perbedaan kebahagiaan antara karyawan kontrak dan karyawan tetap pada usia dewasa muda = The different happiness between temporary and regular employee on young adulthood
Fakultas Psikologi Universitas Indonesia, 2018
 UI - Skripsi Membership
Muhammad Fakhrurrozi
Kualitas Rumah dan Kebahagiaan di Indonesia = Home Quality and Happiness in Indonesia
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2022
 UI - Tesis Membership