Khavari, Khalil A., author
The art of happiness: mencipta kebahagiaan dalam setiap keadaan
Serambi Ilmu Semesta, 2000
 Buku Teks
Holder, Mark D.
Happiness in children: measurement, correlates and enhancement of positive subjective well-being
Springer, 2012
 eBooks
Candra Inge Salyaharini, author
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
Guyer, Paul, author
Kant on freedom, Law and happiness
Cambridge University Press, 2000
 Buku Teks
Situmeang, John B., author
Kepemimpinan, wisdom, dan happiness
The Ary Suta Center, 2023
 Artikel Jurnal
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