Ratna Dwi Wulandari, Nuzulul Kusuma Putri, Nyoman Anita Damayanti, R Darmawan Setijanto, Stefanus Supriyanto, Ilham Akhsanu Ridlo, y Muhammad Ardian Cahya Laksana, Kartika Darma Handayani, Dwi Ratna Paramitha. «Factors Influencing Intention to Stay in a Health-Based Voluntary Activity». Opción 360 (mayo 5, 2020): 1513-1528. Accedido julio 17, 2024. https://produccioncientificaluz.org/index.php/opcion/article/view/32056.