Vanchapo, Antonius. 2020. “Pengaruh Upah Terhadap Motivasi Kerja Karyawan Sukarela Di Puskesmas Se Kabupaten Sikka”. CHMK NURSING SCIENTIFIC JOURNAL 4 (1), 157-61. http://cyber-chmk.net/ojs/index.php/ners/article/view/756.