“Lead Contamination in Driver’s Blood and Its Effects on Erythrocytes, Leukocytes, and Platelets As A Biomarker”. Sainmatika: Jurnal Ilmiah Matematika Dan Ilmu Pengetahuan Alam, vol. 20, no. 2, Nov. 2023, pp. 132-9, https://doi.org/10.31851/sainmatika.v20i2.13010.