Nur Aini, Vintiara Fairus, Endang Widajati, and Annasari Mustafa. “Pengaruh Suplementasi Vitamin D Terhadap Fungsi Paru Pada Pasien Penyakit Paru Obstruktif Kronik (PPOK)”. NUTRITURE JOURNAL 2, no. 2 (August 29, 2023): 78–85. Accessed October 24, 2025. https://ojs.poltekkes-malang.ac.id/Nutriture/article/view/3862.