Sang,Heng-Kang. (1995). Project evaluation: Techniques and practices for developing countries. Ashgate.
シカゴスタイル引用形Sang,Heng-Kang. Project Evaluation: Techniques and Practices for Developing Countries. U K: Ashgate, 1995.
MLA引用形式Sang,Heng-Kang. Project Evaluation: Techniques and Practices for Developing Countries. Ashgate, 1995.
警告: この引用は必ずしも正確ではありません.