tawfik, L. (1995). A Study for the Effect of Blood Hemoglobin Level And Some Related Nutrients on Scholastic Achievements and Attention in Elementary schools Children. test, 6(22), 1-20. doi: 10.21608/sjam.1995.139638
laila m . tawfik. "A Study for the Effect of Blood Hemoglobin Level And Some Related Nutrients on Scholastic Achievements and Attention in Elementary schools Children". test, 6, 22, 1995, 1-20. doi: 10.21608/sjam.1995.139638
tawfik, L. (1995). 'A Study for the Effect of Blood Hemoglobin Level And Some Related Nutrients on Scholastic Achievements and Attention in Elementary schools Children', test, 6(22), pp. 1-20. doi: 10.21608/sjam.1995.139638
tawfik, L. A Study for the Effect of Blood Hemoglobin Level And Some Related Nutrients on Scholastic Achievements and Attention in Elementary schools Children. test, 1995; 6(22): 1-20. doi: 10.21608/sjam.1995.139638