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Srivastava, Swati, Karan, Anup K., Bhan, Nandita, Mukhopadhya, Indranil. et al. .World Health Organization (WHO), Regional Office for South-East Asia (2022) C_WHO
Globalization and Health (2021) 17:74 https://doi.org/10.1186/s12992-021-00722-3
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Potential for solar thermal heating in South African hospitals

Buckley, A.; D. Fitzgerald, U. Terblanche and K. Kritzinger Centre for Renewable and Sustainable Energy Studies (CRSES) at Stellenbosch University (2018) CC
Briefing Note no. 80 November 2015
GGGI Technical Guideline No. 2
Technical lessons learnt report UNDP GEF Project