Ikawati, Ikawati. “Pengaruh Pengisian Waktu Luang Terhadap Kebahagiaan Lanjut Usia”. Jurnal Penelitian Kesejahteraan Sosial 12, no. 1 (February 26, 2018): 45–61. Accessed February 26, 2026. https://e-journal.kemensos.go.id/index.php/jpks/article/view/1245.