Sang,Heng-Kang. (1995). Project evaluation: Techniques and practices for developing countries. Ashgate.
Style de citation ChicagoSang,Heng-Kang. Project Evaluation: Techniques and Practices for Developing Countries. U K: Ashgate, 1995.
Style de citation MLASang,Heng-Kang. Project Evaluation: Techniques and Practices for Developing Countries. Ashgate, 1995.
Attention : ces citations peuvent ne pas être correctes à 100%.