Hamad, Doaa A., Khansaa A. ibadi, Wasan T. Jassim, Assad Abbas Khalaf, and Abeer Jasim sahib. “Evaluation of Students’ Knowledge and Pattern towards Vitamin D”. American Journal of Language, Literacy and Learning in STEM Education (2993-2769) 2, no. 5 (May 14, 2024): 105–112. Accessed December 22, 2024. http://grnjournal.us/index.php/STEM/article/view/4598.