Article Comments

Contributions from readers on our articles are very welcome. This form will let us retrieve the current data in the database and allows us to consider your comments.

Eco-efficiency of the world cement industry and innovations: panel causality data analysis
Filiz Özkan; Ömer Özkan; Amir Koubaa
International Journal of Global Warming (IJGW), 2013 Vol.5 No.2, pp.179 - 196
9 - 20 =

Thank you for your feedback.