Purnadianti, M., Ermawati, N., & Berlian , R. N. (2021). Comparison of Smoking Habits and Coffee Consumption In Adolescents Against Hemoglobin Levels In Mojoroto Kediri City. Medicra (Journal of Medical Laboratory Science/Technology), 4(1), 35-40. https://doi.org/10.21070/medicra.v4i1.1422