“Risk Factors for Abnormal Hemoglobin Levels in Online Motorcycle Taxi Drivers in the Tanjung Mas Industrial Area, Semarang City”. Jaringan Laboratorium Medis 5, no. 2 (December 11, 2023): 104–109. Accessed November 23, 2024. https://journal.poltekkes-smg.net/index.php/jlm/article/view/119.