I. R. J. . Karundeng, “The Importance of Happiness at Work in Shaping the Performance of Insurance Agents at PT. A Surabaya: Pentingnya Kebahagiaan Di Tempat Kerja Dalam Membentuk Kinerja Agen Asuransi Di PT. A Surabaya”, icecrs, vol. 8, Jun. 2020.