LESTARI, M. D. Friendship: The meaning and contribution towards happiness and health of elder people. Jurnal Psikologi Ulayat, [S. l.], v. 4, n. 1, p. 59–82, 2017. DOI: 10.24854/jpu61. Disponível em: https://publication.k-pin.org/index.php/jpu/article/view/61. Acesso em: 21 jun. 2024.