2014. Calculation of One- particle redial distribution function and One- particle expectation value for K(1S) shell of He and Li atoms by Using Correlated function. University of Thi-Qar Journal of Science. 4, 4 (Jul. 2014), 24–27. DOI:https://doi.org/10.32792/utq/utjsci/v4i4.655.