Rungduin, Teresita T. “The Concept of Saying Sorry Among Children: A Prelude to Forgiveness Behavior and Implications to Teaching Preschoolers”. The Normal Lights 5, no. 1 (November 8, 2010). Accessed May 19, 2024. https://po.pnuresearchportal.org/ejournal/index.php/normallights/article/view/58.