Babincev L, Rajkovic L. DETERMINATION OF THE LEAD CONTENT IN SPINACH BY UTILIZATION OF THE POTENTIOMETRIC STRIPPING ANALYSIS (PSA). J.eng. process. manag. [Internet]. 2010 Dec. 30 [cited 2025 Apr. 4];2(1):35-44. Available from: http://jepm2021.tfzv.ues.rs.ba/index.php/pub/article/view/42