Arif Tirtana, Lusia Peni Lamen, Wiwit Sepvianti, Aulia Rahman, Gravinda Widyaswara, Kumara Rahmawati Zain and Selasih Putri Isnawati Hadi 2025. Identification of Low Hemoglobin Levels in Prospective Blood Donors in Yogyakarta: Identifikasi Kadar Hemoglobin Rendah Pada Calon Pendonor Darah Di Yogyakarta. Journal of Health (JoH). 12, 1 (Jan. 2025), 139-148. DOI:https://doi.org/10.30590/joh.v12n1.1143.