H.J Mukono, Haryanto Notopuro, Muliyadi, , trans. “Effects Of Blood Lead, Smoking Habits And Nutritional Status Toward Cystatin C Serum”. International Journal of Scientific Research and Management (IJSRM) 3, no. 7 (July 2, 2015): 3266–3269. Accessed July 1, 2025. https://ijsrm.net/index.php/ijsrm/article/view/142.