https://khmer-village.com/2011/08/19/%e1%9e%a2%e1%9f%92%e1%9e%9c%e1%9e%b8%e2%80%8b%e1%9e%87%e1%9e%b6%e2%80%8b%e1%9e%9f%e1%9e%89%e1%9f%92%e1%9e%89%e1%9e%b6%e2%80%8b%e1%9e%94%e1%9f%90%e1%9e%8e%e1%9f%92%e1%9e%8e%e2%80%8b-bond%e2%80%8b/
អ្វី​ជា​សញ្ញា​ប័ណ្ណ​ (Bond)​?