1. Esty D.andSimmons P.J. How to undertake a life cycle assessment of your products and services GreenBiz 2011 Available at:https://www.greenbiz.com/blog/2011/04/25/how-undertake-life-cycle-assessment-yourproducts-and-services.
2. Comparative Life Cycle Assessment of End-of-Life Silicon Solar Photovoltaic Modules
3. WWEA World wind capacity at 650.8 GW Corona crisis will slow down markets in 2020 renewables to be core of economic stimulus programmes World Wind Energy Association 2020 Available at:https://wwindea.org/blog/2020/04/16/world-windcapacity-at-650-gw/.