1. UNEP F. Fiduciary responsibility: Legal and practical aspects of integrating environmental, social and governance issues into institutional investment. NEP FI: Geneva. 2009 Sep.
2. Rosillo-Calle F, Woods J. The biomass assessment handbook. Earthscan; 2012.
3. The Guardian Sustainable Business (2016) Solar Power What is holding back growth in clean energy? http://www.theguardian.com/sustainable-business/2016/jan/31/solar-power-what-is-holding-back-growth-clean- energy?CMP=new_1194&CMP 2 Feb 2016.
4. Davila T, Epstein M, Shelton R. Making innovation work: How to manage it, measure it, and profit from it. FT press; 2012 Nov 9.
5. Buildiup, 2015. The BIQ House: first algae-powered building in the world. Retrieved on 21st September 2016 from; http://www.buildup.eu/en/practices/cases/biq-house-first-algae-powered-building-world .