Florence Nightin Gale, Rahma Fauzia. GAMBARAN OPTIMIS PASIEN RAWAT INAP : OPTIMIST INPATIENT . JPPP [Internet]. 2019 Sep. 3 [cited 2025 Dec. 18];13(1):27-3. Available from: https://idjpcr.usu.ac.id/jppp/article/view/2265