“BASED ON THE HACCP SYSTEM, STUDY THE CAUSES OF IRON DEFICIENCY IN SCHOOLCHILDREN”. ACUMEN: INTERNATIONAL JOURNAL OF MULTIDISCIPLINARY RESEARCH 2, no. 11 (November 18, 2025): 90–95. Accessed May 18, 2026. https://universalpublishings.com/index.php/aijmr/article/view/14324.